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U.S. PATENT AND TRADEMARK OFFICE
Patent Technology Monitoring Team (PTMT)

Patenting By NAICS Industry Classification
Breakout By Ownership Category
-- Fractional Counts --

- this report was created with support from the National Science Foundation -

Count (*) of 1963 - 2012 Utility Patent Grants,
As Distributed By Calendar Year of Grant

- Explanation of Data -

Listing of Ownership Categories For 0.5 or More Utility Patents During the Period
Having Primary Classification Corresponding To

NAICS Classification 331
Primary Metal

( North American Industry Classification System (NAICS) classification is determined by
the primary U.S. Patent Classification System (USPC) patent classification and a USPC to NAICS concordance - see 'Explanation of Data' )
( this Fractional Counts report proportionally distributes a patent across each matched industry -- see 'Explanation of Data' )
( * in Fractional Counts tables, counts are rounded)

The following table displays Ownership Categories and FRACTIONAL counts of utility patents associated with each of them; patents are distributed by year of patent grant.
Counts Sequence ID NAICS Classification Classification Title (U.S. or Foreign) Assignment ID Ownership Category PRE_1964 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 Total
Frac / YoG 13 331 Primary Metal (U.S. Ownership) 2 U.S. CORPORATION 279 351 411 451 457 395 357 383 483 492 465 497 441 428 394 362 306 283 297 239 309 299 295 304 273 326 377 293 302 331 366 323 275 266 225 288 328 281 324 321 285 257 196 206 165 174 203 269 264 271 16168
Frac / YoG 13 331 Primary Metal (U.S. Ownership) 4 U.S. INDIVIDUAL 46 52 55 75 73 43 56 60 56 68 60 75 54 63 42 45 27 36 39 42 49 47 34 31 35 45 35 30 38 39 44 43 45 30 32 43 35 42 54 46 34 28 23 17 16 19 27 26 19 23 2092
Frac / YoG 13 331 Primary Metal (U.S. Ownership) 6 U.S. GOVERNMENT 21 34 29 31 25 18 25 23 31 25 32 33 27 24 21 18 14 16 17 7 22 15 17 21 9 20 17 11 11 10 12 12 15 12 6 9 9 11 7 7 5 6 4 4 3 4 3 4 3 6 762
Frac / YoG 13 331 Primary Metal (U.S. Ownership)   -- Subtotal -- 345 436 494 557 555 456 438 466 570 586 557 605 523 515 457 425 346 335 354 288 380 361 345 355 317 391 429 334 350 380 422 378 334 308 263 340 372 333 385 375 324 291 223 226 184 197 233 299 287 300 19021
 
Frac / YoG 13 331 Primary Metal (Foreign Ownership) 3 FOREIGN CORPORATION 72 107 153 153 184 135 178 179 234 287 274 328 334 363 376 356 269 313 299 263 343 357 377 384 354 389 449 424 441 412 462 417 440 396 354 473 518 494 583 583 530 449 333 285 277 275 342 480 507 597 17579
Frac / YoG 13 331 Primary Metal (Foreign Ownership) 5 FOREIGN INDIVIDUAL 17 19 33 21 25 23 40 37 41 61 49 53 69 41 41 41 45 40 42 19 25 45 23 21 33 24 31 29 19 23 24 43 31 27 21 31 25 20 36 41 37 24 18 13 8 10 12 12 19 23 1502
Frac / YoG 13 331 Primary Metal (Foreign Ownership) 7 FOREIGN GOVERNMENT 1 6 10 10 15 3 5 4 2 1 2 4 3 8 5 3 3 4 4 8 6 9 5 12 17 6 8 4 9 7 6 5 7 4 4 3 2 2 3 2 0 0 0 0 0 0 0 0 1 2 219
Frac / YoG 13 331 Primary Metal (Foreign Ownership)   -- Subtotal -- 90 132 196 184 224 161 223 220 277 349 325 385 407 411 422 399 317 356 344 289 373 411 405 416 403 419 488 457 469 441 492 465 477 427 378 506 545 515 621 626 567 474 351 298 285 286 354 492 526 622 19300
 
Frac / YoG 13 331 Primary Metal (ALL Ownership) A All Ownership Categories 435 568 690 741 779 617 660 686 847 935 882 990 929 926 879 824 663 691 698 577 753 772 750 772 720 810 916 791 819 821 914 844 812 735 641 846 917 848 1007 1000 891 764 574 525 469 482 587 791 813 921 38321



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