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U.S. PATENT AND TRADEMARK OFFICE
Office of Electronic Information Products
Patent Technology Monitoring Division (PTMD)


U.S. GOVERNMENT PATENTS
2003

- this report has been prepared with support from the National Science Foundation -


Table 1

UTILITY PATENTS ASSIGNED TO U.S. GOVERNMENT INSTITUTIONS,
CALENDAR YEAR 1963-2003 PATENT GRANTS,
AS DISTRIBUTED BY SIC-BASED PRODUCT FIELD AND YEAR OF GRANT

PATENTS COUNTED USING FRACTIONAL COUNTING METHOD (see Explanation of Data)

(patent ownership is determined by the first-named assignee listed on a patent)

- Explanation of Data -

Number of Utility Patents Granted, 1963 to 2003,
As Distributed By SIC-Based Product Field and Calendar Year of Grant
(patents counted using fractional counting method)
SIC-based
Product Field
SIC-based
Product Field Title
Pre-19901990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 Total
                                   
SIC 20. FOOD AND KINDRED PRODUCTS 301 4 6 8 7 3 2   2 4 4 6 3 2 6 356
SIC 22. TEXTILE MILL PRODUCTS 307 5 2 5 6 7 6 3 6 2 3 1 1   2 353
SIC 28. CHEMICALS AND ALLIED PRODUCTS 5259 159 163 217 209 207 171 176 229 274 259 188 233 195 193 8129
SIC 281,282,284-289. ..CHEMICALS, EXCEPT DRUGS + MEDICINES 4857 123 128 162 152 144 111 107 120 139 137 105 139 109 109 6639
SIC 281,286. ....BASIC INDUSTRIAL INORGANIC + ORGANIC CHEMISTRY 2884 56 54 78 74 78 59 49 56 63 74 51 71 51 51 3745
SIC 281. ......INDUSTRIAL INORGANIC CHEMISTRY 1177 16 16 27 9 21 14 11 11 9 13 10 11 4 7 1355
SIC 286. ......INDUSTRIAL ORGANIC CHEMISTRY 1707 40 38 51 65 56 45 39 45 54 60 41 60 47 44 2390
SIC 282. ....PLASTICS MATERIALS + SYNTHETIC RESINS 355 16 20 27 28 21 13 21 16 13 15 12 13 12 8 588
SIC 287. ....AGRICULTURAL CHEMICALS 282 18 12 20 21 20 21 16 31 36 23 23 28 23 22 593
SIC 284,285,289. ....ALL OTHER CHEMICALS 1337 34 43 38 29 26 18 22 18 28 26 19 28 23 29 1714
SIC 284. ......SOAPS, DETERGENTS, CLEANERS, PERFUMES, COSMETICS + TOILETRIES 71 2 1 1 2 1 3 1 1 1 3 2 2 4 1 94
SIC 285. ......PAINTS, VARNISHES, LACQUERS, ENAMELS + ALLIED PRODUCTS 113 4 3 4 2 3 2 5 2 5 2 1 2 2 6 153
SIC 289. ......MISCELLANEOUS CHEMICAL PRODUCTS 1152 28 39 33 25 23 13 16 16 22 21 17 25 18 22 1467
SIC 283. ..DRUGS AND MEDICINES 401 37 35 55 58 63 60 69 109 135 122 84 94 86 84 1489
SIC 13,29. PETROLEUM + NATURAL GAS EXTRACTION + REFINING 139 4 6 2 1 4   2 2 1   1 2 4 3 170
SIC 30. RUBBER + MISCELLANEOUS PLASTICS PRODUCTS 675 15 25 30 30 35 25 25 19 18 23 21 18 16 18 992
SIC 32. STONE, CLAY, GLASS AND CONCRETE PRODUCTS 492 14 33 29 23 27 26 24 28 18 26 20 17 14 18 809
SIC 33, 3462, 3463. PRIMARY METALS 563 14 12 10 20 15 17 14 10 10 10 13 9 13 8 736
SIC 331, 332, 3399, 3462. ..PRIMARY FERROUS PRODUCTS 180 5 3 2 5 2 4 2 3 4 3 4 4 4 2 224
SIC 333-336, 339 (EXCEPT 3399), 3463. ..PRIMARY + SECONDARY NON-FERROUS METALS 384 10 9 8 15 13 13 11 8 7 7 9 6 9 6 513
SIC 34 (EXCEPT 3462,3463,348). FABRICATED METAL PRODUCTS 1990 55 61 66 61 48 45 25 29 27 34 25 26 32 29 2552
SIC 35. MACHINERY, EXCEPT ELECTRICAL 4602 113 121 155 144 138 125 98 97 102 126 134 98 93 95 6242
SIC 351. ..ENGINES + TURBINES 287 6 8 8 9 10 4 3 4 5 4 6 5 9 6 374
SIC 352. ..FARM + GARDEN MACHINERY + EQUIPMENT 128 4 4 6 2 4 4 3 2 3 6 3 3 3 5 178
SIC 353. ..CONSTRUCTION, MINING + MATERIAL HANDLING MACHINERY + EQUIPMENT 425 9 7 12 8 8 8 7 7 6 3 13 8 15 6 541
SIC 354. ..METAL WORKING MACHINERY + EQUIPMENT 462 9 20 17 13 9 5 5 11 3 10 4 5 3 6 581
SIC 357. ..OFFICE COMPUTING + ACCOUNTING MACHINES 804 25 25 27 42 42 42 34 32 50 47 59 40 31 42 1341
SIC 355, 356, 358, 359. ..OTHER MACHINERY, EXCEPT ELECTRICAL 2497 60 57 85 70 65 62 47 42 36 57 49 37 32 30 3226
SIC 355. ....SPECIAL INDUSTRY MACHINERY, EXCEPT METAL WORKING MACHINERY 1108 26 17 30 30 21 27 19 15 10 18 18 13 13 14 1378
SIC 356. ....GENERAL INDUSTRIAL MACHINERY + EQUIPMENT 995 23 28 37 30 31 21 20 18 17 25 21 13 13 12 1304
SIC 358. ....REFRIGERATION + SERVICE INDUSTRY MACHINERY 274 7 8 14 9 9 9 5 7 7 11 6 5 4 5 380
SIC 359. ....MISCELLANEOUS MACHINERY, EXCEPT ELECTRICAL 119 3 4 3 2 4 6 3 3 2 3 4 6 2   164
SIC 36, 3825. ELECTRICAL AND ELECTRONIC MACHINERY, EQUIPMENT AND SUPPLIES 12351 334 411 347 350 408 326 279 239 243 233 259 256 255 216 16508
SIC 361-364,369,3825. ..ELECTRICAL EQUIPMENT, EXCEPT COMMUNICATIONS EQUIPMENT 3590 97 108 120 98 121 81 75 51 55 49 53 76 66 54 4694
SIC 361, 3825. ....ELECTRICAL TRANSMISSION + DISTRIBUTION EQUIPMENT 1870 47 52 72 51 64 39 41 29 29 28 22 30 38 28 2438
SIC 362. ....ELECTRICAL INDUSTRIAL APPARATUS 1017 31 29 22 25 30 20 16 17 18 12 18 23 15 10 1302
SIC 363, 364, 369. ....OTHER ELECTRICAL MACHINERY, EQUIPMENT + SUPPLIES 703 19 27 26 22 27 23 19 6 9 9 13 22 13 16 954
SIC 363. ......HOUSEHOLD APPLIANCES 77 3 4 1 2 4 2 2   1 3 1 1 1 1 104
SIC 364. ......ELECTRICAL LIGHTING + WIRING EQUIPMENT 195 2 4 6 9 3 7 3   1 1 4 6 3 4 245
SIC 369. ......MISCELLANEOUS ELECTRICAL MACHINERY, EQUIPMENT + SUPPLIES 431 15 20 19 11 21 14 14 6 7 6 9 16 9 11 605
SIC 365-367. ..COMMUNICATION EQUIPMENT + ELECTRONIC COMPONENTS 8762 237 303 227 252 287 245 204 187 188 185 206 181 190 162 11814
SIC 365. ....RADIO + TELEVISION RECEIVING EQUIPMENT EXCEPT COMMUNICATION TYPES 418 6 8 6 5 5 5 7 1 3 5 4 3 1 2 477
SIC 366-367. ....ELECTRONIC COMPONENTS + ACCESSORIES + COMMUNICATIONS EQUIPMENT 8344 231 295 221 247 282 240 197 186 186 180 202 178 189 161 11337
SIC 37,348. TRANSPORTATION EQUIPMENT 4095 83 125 88 102 88 87 52 90 81 69 78 109 104 93 5344
SIC 348,371,373-376,379. ..MOTOR VEHICLES + OTHER TRANSPORTATION EQUIPMENT 3390 70 110 74 78 70 77 45 83 70 54 69 96 80 78 4444
SIC 371. ....MOTOR VEHICLES + MOTOR VEHICLE EQUIPMENT 201 3 3 7 4 7 5 9 6 9 9 8 4 6 5 286
SIC 376. ....GUIDED MISSILES + SPACE VEHICLES + PARTS 397 7 14 13 8 7 7 2 2 9 1 5 13 9 7 501
SIC 373-375,379(EXCEPT 3795). ....OTHER TRANSPORTATION EQUIPMENT 323 7 7 7 18 14 24 10 22 8 10 20 15 14 20 521
SIC 373. ......SHIP + BOAT BUILDING + REPAIRING 230 5 6 4 14 13 23 8 21 6 8 19 11 14 19 397
SIC 374. ......RAILROAD EQUIPMENT 14   2   3 1   1 1       1     23
SIC 375. ......MOTORCYCLES, BICYCLES + PARTS 6                             8
SIC 379(EXCEPT 3795). ......MISCELLANEOUS TRANSPORTATION EQUIPMENT 73 2   2 2 1     1 2 2 1 3   2 93
SIC 348, 3795. ....ORDNANCE EXCEPT MISSILES 2468 53 86 47 48 42 40 25 52 44 33 36 63 52 46 3136
SIC 372. ..AIRCRAFT + PARTS 706 13 15 14 24 18 10 6 7 12 15 9 14 23 15 900
SIC 38 (EXCEPT 3825). PROFESSIONAL + SCIENTIFIC INSTRUMENTS 5943 167 193 186 187 244 166 195 161 215 172 162 153 167 173 8482
SIC OTHER ALL OTHER SIC'S 948 17 27 20 29 36 32 31 33 34 26 21 32 18 30 1332
SIC ALL ALL INDUSTRIES 37665 983 1183 1161 1167 1258 1028 924 944 1027 985 928 957 912 882 52004

 


Table 2

UTILITY PATENTS ASSIGNED TO U.S. GOVERNMENT INSTITUTIONS,
CALENDAR YEAR 1963-2003 PATENT GRANTS,
AS DISTRIBUTED BY SIC-BASED PRODUCT FIELD AND YEAR OF APPLICATION

PATENTS COUNTED USING FRACTIONAL COUNTING METHOD (see Explanation of Data)

(patent ownership is determined by the first-named assignee listed on a patent)

- Explanation of Data -

Number of Utility Patents Granted, 1963 TO 2003,
As Distributed By SIC-Based Product Field and Calendar Year of Application
(patents counted using fractional counting method)
SIC-based
Product Field
SIC-based
Product Field Title
Pre-19901990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 Total
                                   
SIC 20. FOOD AND KINDRED PRODUCTS 308 7 7 4 4 2 1 1 9 1 5 4 3     356
SIC 22. TEXTILE MILL PRODUCTS 313 5 7 6 4 5 6 3   2 1     1   353
SIC 28. CHEMICALS AND ALLIED PRODUCTS 5657 186 217 241 228 262 303 181 198 174 159 173 116 33 3 8129
SIC 281,282,284-289. ..CHEMICALS, EXCEPT DRUGS + MEDICINES 5144 134 153 160 135 135 140 111 114 109 98 105 74 25 3 6639
SIC 281,286. ....BASIC INDUSTRIAL INORGANIC + ORGANIC CHEMISTRY 3013 57 83 87 72 59 67 56 56 54 47 54 28 13   3745
SIC 281. ......INDUSTRIAL INORGANIC CHEMISTRY 1209 16 24 17 16 10 8 11 15 9 7 7 5 2   1355
SIC 286. ......INDUSTRIAL ORGANIC CHEMISTRY 1804 41 59 70 56 48 59 45 41 46 40 47 23 12   2390
SIC 282. ....PLASTICS MATERIALS + SYNTHETIC RESINS 393 23 19 29 15 18 22 16 9 12 14 12 6 4   588
SIC 287. ....AGRICULTURAL CHEMICALS 321 20 20 22 23 38 36 20 24 18 15 19 19 3 1 593
SIC 284,285,289. ....ALL OTHER CHEMICALS 1418 35 31 23 25 22 16 21 26 26 23 22 22 6 2 1714
SIC 284. ......SOAPS, DETERGENTS, CLEANERS, PERFUMES, COSMETICS + TOILETRIES 74 3 1     4 2   4 3 1 4       94
SIC 285. ......PAINTS, VARNISHES, LACQUERS, ENAMELS + ALLIED PRODUCTS 122 2 5 3 3 2 2 3 5 1 1 2 3 1 2 153
SIC 289. ......MISCELLANEOUS CHEMICAL PRODUCTS 1222 30 26 20 23 17 12 18 18 22 21 17 19 5   1467
SIC 283. ..DRUGS AND MEDICINES 513 52 64 82 93 127 163 70 84 66 61 68 42 8 1 1489
SIC 13,29. PETROLEUM + NATURAL GAS EXTRACTION + REFINING 146 6   2 3   1 5       3 4     170
SIC 30. RUBBER + MISCELLANEOUS PLASTICS PRODUCTS 715 27 26 39 27 23 24 16 26 22 15 17 11 5   992
SIC 32. STONE, CLAY, GLASS AND CONCRETE PRODUCTS 524 33 28 24 30 25 27 31 22 23 11 18 11 4   809
SIC 33, 3462, 3463. PRIMARY METALS 584 14 12 19 19 14 14 12 9 8 14 10 7 2   736
SIC 331, 332, 3399, 3462. ..PRIMARY FERROUS PRODUCTS 186 4 3 3 4 2 3 6 2 2 7 2 2     224
SIC 333-336, 339 (EXCEPT 3399), 3463. ..PRIMARY + SECONDARY NON-FERROUS METALS 398 11 9 16 15 12 11 7 7 6 8 8 5 2   513
SIC 34 (EXCEPT 3462,3463,348). FABRICATED METAL PRODUCTS 2070 66 63 57 59 37 29 33 28 30 18 24 29 8   2552
SIC 35. MACHINERY, EXCEPT ELECTRICAL 4806 159 164 136 136 122 109 104 131 109 109 83 48 25 2 6242
SIC 351. ..ENGINES + TURBINES 300 10 8 5 10 3 5 3 7 1 6 6 9 2 1 374
SIC 352. ..FARM + GARDEN MACHINERY + EQUIPMENT 134 5 4 2 5 4 1 4 5 3 2 5 3 1   178
SIC 353. ..CONSTRUCTION, MINING + MATERIAL HANDLING MACHINERY + EQUIPMENT 438 8 12 10 8 6 7 7 5 7 10 16 4 3   541
SIC 354. ..METAL WORKING MACHINERY + EQUIPMENT 481 21 14 11 9 6 6 10 5 6 4 6 2 2   581
SIC 357. ..OFFICE COMPUTING + ACCOUNTING MACHINES 869 28 47 45 33 50 41 36 59 57 51 15 6 4   1341
SIC 355, 356, 358, 359. ..OTHER MACHINERY, EXCEPT ELECTRICAL 2584 87 78 64 71 54 49 44 51 35 36 35 23 14 1 3226
SIC 355. ....SPECIAL INDUSTRY MACHINERY, EXCEPT METAL WORKING MACHINERY 1147 32 31 23 24 22 23 7 15 18 9 13 6 8   1378
SIC 356. ....GENERAL INDUSTRIAL MACHINERY + EQUIPMENT 1030 37 32 33 31 19 15 25 24 10 18 13 12 4 1 1304
SIC 358. ....REFRIGERATION + SERVICE INDUSTRY MACHINERY 285 12 12 7 10 9 7 8 9 5 6 3 5 3   380
SIC 359. ....MISCELLANEOUS MACHINERY, EXCEPT ELECTRICAL 123 5 3 1 6 4 3 3 4 2 4 5 1     164
SIC 36, 3825. ELECTRICAL AND ELECTRONIC MACHINERY, EQUIPMENT AND SUPPLIES 13075 366 357 340 387 307 302 236 236 259 215 197 165 66   16508
SIC 361-364,369,3825. ..ELECTRICAL EQUIPMENT, EXCEPT COMMUNICATIONS EQUIPMENT 3748 115 126 98 112 78 79 47 62 58 50 64 49 8   4694
SIC 361, 3825. ....ELECTRICAL TRANSMISSION + DISTRIBUTION EQUIPMENT 1950 62 69 55 55 37 41 28 32 27 24 32 26 2   2438
SIC 362. ....ELECTRICAL INDUSTRIAL APPARATUS 1065 20 29 26 26 21 23 11 20 16 14 19 10 4   1302
SIC 363, 364, 369. ....OTHER ELECTRICAL MACHINERY, EQUIPMENT + SUPPLIES 733 34 27 18 31 20 15 9 10 15 13 13 14 3   954
SIC 363. ......HOUSEHOLD APPLIANCES 82 4 1 3 4 2 1   3 2 1 1 2 1   104
SIC 364. ......ELECTRICAL LIGHTING + WIRING EQUIPMENT 198 6 10 3 5 5 3   2 4 4 3 4     245
SIC 369. ......MISCELLANEOUS ELECTRICAL MACHINERY, EQUIPMENT + SUPPLIES 453 25 17 11 22 14 12 9 5 10 9 10 9 2   605
SIC 365-367. ..COMMUNICATION EQUIPMENT + ELECTRONIC COMPONENTS 9327 251 232 242 274 229 223 189 175 201 165 133 116 58   11814
SIC 365. ....RADIO + TELEVISION RECEIVING EQUIPMENT EXCEPT COMMUNICATION TYPES 431 6 6 6 5 8 3 4 4 4 2 1 1     477
SIC 366-367. ....ELECTRONIC COMPONENTS + ACCESSORIES + COMMUNICATIONS EQUIPMENT 8897 245 226 236 270 222 221 185 171 197 163 133 115 58   11337
SIC 37,348. TRANSPORTATION EQUIPMENT 4289 97 74 108 86 68 83 90 77 82 62 100 79 47 2 5344
SIC 348,371,373-376,379. ..MOTOR VEHICLES + OTHER TRANSPORTATION EQUIPMENT 3561 78 61 87 68 60 70 80 66 75 54 81 59 42 1 4444
SIC 371. ....MOTOR VEHICLES + MOTOR VEHICLE EQUIPMENT 206 3 4 7 5 6 12 11 7 7 3 7 3 3   286
SIC 376. ....GUIDED MISSILES + SPACE VEHICLES + PARTS 410 14 10 7 8 6 3 5 6 7 9 8 7 3   501
SIC 373-375,379(EXCEPT 3795). ....OTHER TRANSPORTATION EQUIPMENT 337 7 7 22 15 16 14 21 12 12 16 11 19 9   521
SIC 373. ......SHIP + BOAT BUILDING + REPAIRING 240 5 5 18 14 16 13 17 11 10 14 10 18 9   397
SIC 374. ......RAILROAD EQUIPMENT 14 1 1 3   1 1     1           23
SIC 375. ......MOTORCYCLES, BICYCLES + PARTS 6                             8
SIC 379(EXCEPT 3795). ......MISCELLANEOUS TRANSPORTATION EQUIPMENT 76 1 2 2 1   1 4 1 1 2 2 1 1   93
SIC 348, 3795. ....ORDNANCE EXCEPT MISSILES 2607 54 39 50 40 32 41 42 41 49 25 55 30 28 1 3136
SIC 372. ..AIRCRAFT + PARTS 728 19 13 21 18 7 13 10 11 7 8 19 20 5 1 900
SIC 38 (EXCEPT 3825). PROFESSIONAL + SCIENTIFIC INSTRUMENTS 6282 187 214 211 206 191 216 177 184 172 145 149 114 34 2 8482
SIC OTHER ALL OTHER SIC'S 980 27 25 37 31 35 40 26 33 18 23 27 23 5   1332
SIC ALL ALL INDUSTRIES 39749 1180 1192 1224 1219 1089 1154 916 953 901 777 804 608 230 8 52004

 

Considerations Regarding Patents As Distributed By Year of Application (Table B)

DATA FOR THOSE APPLICATIONS WHICH WERE FILED BUT NEVER ISSUED (ROUGHLY 25% OF TOTAL FILINGS) ARE NOT INCLUDED IN THIS TABLE.

Since the average time period between filing for a patent and the issuing of the patent (i.e., the patent's "pendency") is now about 24 months (for utility patents), the patent grant data, as distributed by year of application, are incomplete for the most recent years that are displayed in this table. This is because a significant number of those applications which ultimately would become patents were still pending as of these most recent years that are displayed in this table.

Patented application data are of significant value since the date an application was filed more accurately reflects when the technology was developed. Additionally, fluctuations in data based on application date are much more likely to reflect changes in technological activity since, for the most part, such fluctuations would be immune from changes in U.S. Patent and Trademark Office (USPTO) processing such as occurred in years such as 1986 when the USPTO issued fewer patents than would have normally been expected due to a lack of funds to print patents. Note that a patent's "pendency" can be quite variable from one patent to another, thereby affecting the date of patent grant. Such variation in pendency is determined by many factors, including PTO workload (which varies between technologies), budget and manpower levels, patent printing schedules, etc. Please note that types of patent documents such as design patents, plant patents, reissue patents, statutory invention registrations, and defensive publications may have average pendency periods that differ somewhat from the pendency period for utility patents.

In this table, utility patent grant data, as distributed by year of application are approximately 91% complete for utility patent applications filed in 1999, 75% complete for applications filed in 2000 and 49 percent complete for applications filed in 2001; data are essentially complete for utility patent applications filed prior to 1999.

 


PTMD Contacts

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U.S. Patent and Trademark Office
Office of Electronic Information Products - Patent Technology Monitoring Division
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Washington, DC 20231-1450

tel: (571) 272-5600
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email: oeip@uspto.gov

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