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

Patenting In Technology Classes
Breakout By Geographic Origin (State and Country)

Count of 1998 - 2002 Utility Patent Grants,
By Calendar Year of Grant
With Patent Counts Based on Primary Patent Classification

- Explanation of Data -

Rank Ordered Listing of U.S. States and Countries
From Which 1 or More Utility Patents Originated During the Period
Having Primary Classification In

Class 123, Internal-Combustion Engines

( technology class is determined by the primary classification assigned to the patent- see 'Explanation of Data' )
( patent origin is determined by the residence of the first-named inventor )

The following table displays U.S. states and countries and counts of utility patents originating from them; patents are distributed by year of patent grant
(U.S. or Foreign) Code State-Territory or Country 1998 1999 2000 2001 2002 Total
(U.S.) MI MICHIGAN 114 124 134 204 214 790
(U.S.) IL ILLINOIS 36 45 73 61 102 317
(U.S.) IN INDIANA 27 33 45 44 28 177
(U.S.) CA CALIFORNIA 33 23 38 39 30 163
(U.S.) WI WISCONSIN 22 33 27 43 37 162
(U.S.) NY NEW YORK 14 13 14 27 53 121
(U.S.) VA VIRGINIA 16 9 19 17 23 84
(U.S.) FL FLORIDA 17 11 13 19 15 75
(U.S.) TX TEXAS 17 12 10 17 14 70
(U.S.) CT CONNECTICUT 11 8 16 14 17 66
(U.S.) OH OHIO 13 6 2 12 17 50
(U.S.) PA PENNSYLVANIA 3 5 6 18 10 42
(U.S.) MN MINNESOTA 2 7 15 9 6 39
(U.S.) WA WASHINGTON 8 10 3 6 5 32
(U.S.) CO COLORADO 4 4 10 8 5 31
(U.S.) MA MASSACHUSETTS 2 7 4 9 7 29
(U.S.) NC NORTH CAROLINA 4 3 6 7 8 28
(U.S.) NJ NEW JERSEY 6 7 4 3 6 26
(U.S.) AZ ARIZONA 3 4 4 9 4 24
(U.S.) SC SOUTH CAROLINA 6 2 2 4 7 21
(U.S.) TN TENNESSEE 3 1 6 7 4 21
(U.S.) GA GEORGIA 7 3 2 4 1 17
(U.S.) MD MARYLAND 0 7 2 5 2 16
(U.S.) IA IOWA 2 2 2 5 3 14
(U.S.) AL ALABAMA 3 0 1 6 3 13
(U.S.) OK OKLAHOMA 2 3 1 3 2 11
(U.S.) MO MISSOURI 1 0 2 2 5 10
(U.S.) NH NEW HAMPSHIRE 2 2 2 3 1 10
(U.S.) OR OREGON 2 2 1 3 1 9
(U.S.) LA LOUISIANA 2 0 2 1 2 7
(U.S.) KS KANSAS 2 0 0 0 4 6
(U.S.) NV NEVADA 2 1 0 1 2 6
(U.S.) DC DISTRICT OF COLUMBIA 1 0 1 1 2 5
(U.S.) UT UTAH 2 1 1 0 1 5
(U.S.) WV WEST VIRGINIA 0 0 0 2 3 5
(U.S.) AK ALASKA 0 0 1 1 2 4
(U.S.) AR ARKANSAS 1 0 0 1 1 3
(U.S.) ME MAINE 1 0 0 1 1 3
(U.S.) ND NORTH DAKOTA 0 0 2 1 0 3
(U.S.) RI RHODE ISLAND 2 0 1 0 0 3
(U.S.) DE DELAWARE 0 1 0 1 0 2
(U.S.) HI HAWAII 2 0 0 0 0 2
(U.S.) ID IDAHO 0 0 1 0 1 2
(U.S.) MS MISSISSIPPI 0 0 0 1 1 2
(U.S.) MT MONTANA 0 0 0 2 0 2
(U.S.) NE NEBRASKA 2 0 0 0 0 2
(U.S.) NM NEW MEXICO 0 0 0 1 1 2
(U.S.) SD SOUTH DAKOTA 0 0 0 1 1 2
(U.S.) KY KENTUCKY 1 0 0 0 0 1
(U.S.) WY WYOMING 0 1 0 0 0 1
(U.S.)   -- Subtotal -- 398 390 473 623 652 2536
(Foreign) JPX JAPAN 506 498 476 579 560 2619
(Foreign) DEX GERMANY 213 202 261 284 333 1293
(Foreign) CAX CANADA 23 28 24 49 45 169
(Foreign) GBX UNITED KINGDOM 25 16 29 47 36 153
(Foreign) SEX SWEDEN 23 11 23 27 24 108
(Foreign) FRX FRANCE 17 16 22 30 22 107
(Foreign) ITX ITALY 17 11 15 18 19 80
(Foreign) ATX AUSTRIA 8 10 15 23 14 70
(Foreign) AUX AUSTRALIA 16 13 12 7 15 63
(Foreign) KRX SOUTH KOREA 15 10 8 10 11 54
(Foreign) TWX TAIWAN 4 6 7 9 7 33
(Foreign) CHX SWITZERLAND 4 4 4 5 3 20
(Foreign) NLX NETHERLANDS 3 2 3 4 4 16
(Foreign) FIX FINLAND 2 2 2 4 4 14
(Foreign) DKX DENMARK 3 1 1 3 3 11
(Foreign) RUX RUSSIAN FEDERATION 1 2 4 2 2 11
(Foreign) ARX ARGENTINA 0 1 0 2 4 7
(Foreign) ILX ISRAEL 2 1 0 2 2 7
(Foreign) MXX MEXICO 2 1 1 0 2 6
(Foreign) CNX CHINA P.REP. 0 1 2 0 2 5
(Foreign) NZX NEW ZEALAND 2 0 0 1 2 5
(Foreign) BEX BELGIUM 1 1 1 1 0 4
(Foreign) INX INDIA 0 1 2 1 0 4
(Foreign) LIX LIECHTENSTEIN 0 0 0 2 2 4
(Foreign) NOX NORWAY 0 1 0 3 0 4
(Foreign) VEX VENEZUELA 0 1 0 2 1 4
(Foreign) ESX SPAIN 1 0 1 1 0 3
(Foreign) GRX GREECE 1 1 1 0 0 3
(Foreign) BRX BRAZIL 0 0 1 1 0 2
(Foreign) CZX CZECH REPUBLIC 2 0 0 0 0 2
(Foreign) HKX CHINA,HONG KONG S.A.R. 0 0 1 1 0 2
(Foreign) LUX LUXEMBOURG 0 1 0 1 0 2
(Foreign) ALX ALBANIA 0 1 0 0 0 1
(Foreign) AZX AZERBAIJAN 0 0 1 0 0 1
(Foreign) BGX BULGARIA 1 0 0 0 0 1
(Foreign) COX COLOMBIA 0 0 0 1 0 1
(Foreign) EGX EGYPT 0 0 1 0 0 1
(Foreign) HRX CROATIA 1 0 0 0 0 1
(Foreign) IEX IRELAND 0 0 0 1 0 1
(Foreign) NIX NICARAGUA 0 1 0 0 0 1
(Foreign) PEX PERU 1 0 0 0 0 1
(Foreign) SAX SAUDI ARABIA 1 0 0 0 0 1
(Foreign) SGX SINGAPORE 0 1 0 0 0 1
(Foreign) TRX TURKEY 0 0 0 0 1 1
(Foreign) TTX TRINIDAD/TOBAGO 0 0 0 1 0 1
(Foreign) ZAX SOUTH AFRICA 1 0 0 0 0 1
(Foreign)   -- Subtotal -- 896 845 918 1122 1118 4899
(ALL) ALL All Regions, U.S. and Foreign 1294 1235 1391 1745 1770 7435


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U.S. Patent and Trademark Office
Office of Electronic Information Products - PTMD
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Alexandria VA 22313

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email: oeip@uspto.gov

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