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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 Patent Application

- 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 Ownership Categories and FRACTIONAL counts of utility patents associated with each of them; patents are distributed by year of patent application.
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 / YoA 13 331 Primary Metal (U.S. Ownership) 2 U.S. CORPORATION 1612 268 372 378 347 387 385 432 437 368 375 396 393 371 306 347 328 303 282 300 274 276 271 318 306 370 304 295 325 330 292 322 336 282 338 298 304 294 333 341 273 212 213 226 173 203 144 102 27 1 16168
Frac / YoA 13 331 Primary Metal (U.S. Ownership) 4 U.S. INDIVIDUAL 236 23 56 65 57 48 58 56 59 51 52 56 50 39 38 34 40 60 42 46 29 30 36 35 36 37 32 36 41 41 49 43 37 40 44 43 37 44 38 44 25 24 21 24 20 17 10 12 3 0 2092
Frac / YoA 13 331 Primary Metal (U.S. Ownership) 6 U.S. GOVERNMENT 122 8 24 26 19 23 29 16 19 32 25 25 21 19 15 22 16 15 17 23 9 15 14 13 21 12 9 13 10 13 16 12 11 11 7 7 10 6 4 8 4 9 3 4 1 2 4 0 1 0 762
Frac / YoA 13 331 Primary Metal (U.S. Ownership)   -- Subtotal -- 1970 299 453 468 423 459 472 503 515 450 452 477 464 429 359 402 383 378 341 369 312 321 321 365 362 419 345 344 376 383 357 377 385 333 389 349 350 344 375 393 302 245 237 254 194 223 158 114 31 1 19021
 
Frac / YoA 13 331 Primary Metal (Foreign Ownership) 3 FOREIGN CORPORATION 542 118 150 155 168 205 210 243 258 262 267 333 373 313 339 326 318 312 307 360 335 350 359 388 362 440 409 466 419 444 460 477 447 506 547 528 508 599 656 675 544 379 369 357 354 279 181 127 56 2 17579
Frac / YoA 13 331 Primary Metal (Foreign Ownership) 5 FOREIGN INDIVIDUAL 99 17 21 35 43 36 33 53 41 46 52 53 33 42 49 47 38 25 25 33 35 22 22 29 19 34 24 22 29 25 35 43 30 24 28 21 31 37 42 33 21 16 14 13 15 8 7 7 2 0 1502
Frac / YoA 13 331 Primary Metal (Foreign Ownership) 7 FOREIGN GOVERNMENT 28 7 11 3 4 2 2 2 2 4 2 5 6 2 6 2 5 8 8 8 8 11 9 14 6 7 7 5 6 7 6 6 5 2 1 0 5 1 0 0 0 0 1 1 1 0 0 0 0 0 219
Frac / YoA 13 331 Primary Metal (Foreign Ownership)   -- Subtotal -- 668 141 182 193 214 242 244 298 301 312 320 390 412 357 394 375 360 345 340 401 378 383 389 431 386 481 440 493 453 476 501 525 481 531 575 549 544 637 698 708 565 395 384 371 370 287 188 133 58 2 19300
 
Frac / YoA 13 331 Primary Metal (ALL Ownership) A All Ownership Categories 2638 440 635 661 637 701 716 801 816 762 772 867 876 785 753 777 744 722 680 770 690 703 709 796 748 900 785 837 828 859 857 901 866 864 965 898 895 981 1073 1101 867 639 621 625 564 509 346 247 89 4 38321



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