| APPENDIX A | ||||||||||||||
| Classifications and Frequencies for the Years 1976-2003 | ||||||||||||||
| Patents with Government Interest fields | ||||||||||||||
| Year | ||||||||||||||
| 1976 | Classification | 250 | 340 | 73 | 260 | 102 | 343 | 307 | 252 | 60 | 324 | 244 | 29 | 328 |
| Frequency | 136 | 132 | 114 | 103 | 103 | 101 | 76 | 73 | 68 | 66 | 66 | 61 | 59 | |
| 1977 | Classification | 250 | 340 | 73 | 260 | 343 | 102 | 350 | 331 | 307 | 244 | 324 | 356 | 60 |
| 128 | 112 | 108 | 96 | 81 | 76 | 69 | 64 | 60 | 57 | 55 | 54 | 54 | ||
| 1978 | Classification | 250 | 340 | 260 | 343 | 73 | 60 | 29 | 357 | 252 | 324 | 331 | 350 | 102 |
| 114 | 104 | 102 | 90 | 89 | 67 | 65 | 61 | 61 | 60 | 58 | 56 | 54 | ||
| 1979 | Classification | 260 | 250 | 73 | 343 | 307 | 340 | 244 | 252 | 357 | 350 | 356 | 29 | 424 |
| 77 | 75 | 63 | 61 | 53 | 51 | 50 | 47 | 46 | 44 | 42 | 40 | 40 | ||
| 1980 | Classification | 260 | 340 | 343 | 73 | 331 | 250 | 102 | 424 | 252 | 244 | 427 | 350 | 324 |
| 113 | 105 | 97 | 72 | 70 | 70 | 67 | 61 | 61 | 57 | 56 | 55 | 51 | ||
| 1981 | Classification | 250 | 260 | 73 | 350 | 424 | 244 | 252 | 356 | 343 | 427 | 331 | 364 | 307 |
| 94 | 89 | 83 | 67 | 66 | 65 | 60 | 57 | 55 | 52 | 50 | 49 | 49 | ||
| 1982 | Classification | 250 | 73 | 427 | 424 | 350 | 343 | 252 | 260 | 357 | 331 | 428 | 356 | 29 |
| 98 | 84 | 67 | 62 | 58 | 56 | 56 | 56 | 54 | 52 | 51 | 49 | 49 | ||
| 1983 | Classification | 73 | 250 | 424 | 364 | 260 | 29 | 427 | 350 | 357 | 204 | 60 | 252 | 340 |
| 80 | 73 | 72 | 61 | 58 | 57 | 55 | 54 | 54 | 54 | 51 | 49 | 48 | ||
| 1984 | Classification | 73 | 250 | 424 | 350 | 364 | 204 | 427 | 343 | 260 | 252 | 356 | 29 | 372 |
| 99 | 97 | 93 | 73 | 70 | 68 | 59 | 58 | 58 | 56 | 55 | 54 | 52 | ||
| 1985 | Classification | 73 | 250 | 350 | 343 | 260 | 364 | 424 | 356 | 372 | 423 | 244 | 357 | 428 |
| 102 | 94 | 85 | 73 | 72 | 70 | 70 | 65 | 58 | 58 | 55 | 52 | 50 | ||
| 1986 | Classification | 250 | 73 | 356 | 260 | 350 | 343 | 29 | 364 | 340 | 427 | 357 | 424 | 307 |
| 103 | 84 | 78 | 78 | 76 | 66 | 65 | 64 | 63 | 63 | 62 | 62 | 55 | ||
| 1987 | Classification | 250 | 350 | 29 | 356 | 73 | 435 | 343 | 364 | 357 | 424 | 427 | 260 | 307 |
| 116 | 103 | 85 | 82 | 75 | 72 | 71 | 70 | 69 | 67 | 61 | 58 | 58 | ||
| 1988 | Classification | 250 | 350 | 435 | 364 | 73 | 514 | 244 | 436 | 424 | 372 | 204 | 264 | 60 |
| 98 | 94 | 79 | 74 | 67 | 57 | 57 | 56 | 55 | 53 | 52 | 52 | 51 | ||
| 1989 | Classification | 250 | 364 | 435 | 73 | 350 | 436 | 514 | 424 | 252 | 372 | 427 | 356 | 357 |
| 122 | 114 | 105 | 101 | 98 | 85 | 78 | 78 | 77 | 75 | 75 | 72 | 72 | ||
| 1990 | Classification | 250 | 350 | 435 | 364 | 514 | 340 | 73 | 356 | 428 | 424 | 436 | 530 | 264 |
| 124 | 112 | 106 | 105 | 87 | 85 | 85 | 75 | 75 | 68 | 68 | 66 | 63 | ||
| 1991 | Classification | 435 | 250 | 350 | 73 | 514 | 364 | 356 | 357 | 244 | 424 | 436 | 530 | 372 |
| 131 | 129 | 115 | 100 | 95 | 94 | 84 | 83 | 81 | 79 | 78 | 78 | 77 | ||
| 1992 | Classification | 435 | 250 | 514 | 364 | 530 | 73 | 350 | 424 | 427 | 428 | 204 | 156 | 356 |
| 147 | 140 | 126 | 109 | 105 | 104 | 101 | 93 | 89 | 85 | 85 | 83 | 82 | ||
| 1993 | Classification | 435 | 514 | 530 | 250 | 364 | 73 | 536 | 424 | 359 | 427 | 428 | 436 | 356 |
| 227 | 163 | 134 | 126 | 105 | 102 | 102 | 98 | 94 | 84 | 80 | 80 | 78 | ||
| 1994 | Classification | 435 | 250 | 514 | 530 | 73 | 364 | 359 | 424 | 427 | 372 | 536 | 257 | 428 |
| 223 | 166 | 163 | 140 | 110 | 106 | 102 | 101 | 90 | 88 | 86 | 83 | 81 | ||
| 1995 | Classification | 435 | 514 | 536 | 530 | 250 | 424 | 204 | 73 | 364 | 436 | 427 | 437 | 257 |
| 281 | 179 | 152 | 145 | 131 | 113 | 97 | 95 | 93 | 92 | 87 | 83 | 75 | ||
| 1996 | Classification | 435 | 514 | 536 | 530 | 424 | 364 | 250 | 73 | 436 | 935 | 324 | 395 | 428 |
| 384 | 278 | 217 | 198 | 142 | 120 | 116 | 98 | 95 | 84 | 78 | 76 | 74 | ||
| 1997 | Classification | 435 | 514 | 536 | 530 | 424 | 436 | 250 | 935 | 364 | 73 | 359 | 257 | 427 |
| 648 | 372 | 369 | 297 | 256 | 145 | 139 | 138 | 118 | 105 | 93 | 83 | 77 | ||
| 1998 | Classification | 435 | 536 | 530 | 514 | 424 | 436 | 935 | 73 | 250 | 428 | 364 | 359 | 257 |
| 911 | 495 | 491 | 449 | 367 | 179 | 164 | 148 | 135 | 119 | 117 | 110 | 109 | ||
| 1999 | Classification | 435 | 536 | 514 | 530 | 424 | 436 | 250 | 427 | 356 | 935 | 73 | 428 | 359 |
| 912 | 527 | 454 | 443 | 353 | 180 | 161 | 135 | 121 | 120 | 119 | 113 | 109 | ||
| 2000 | Classification | 435 | 536 | 514 | 530 | 424 | 436 | 250 | 356 | 427 | 359 | 73 | 438 | 428 |
| 831 | 474 | 451 | 353 | 349 | 171 | 140 | 130 | 123 | 122 | 118 | 115 | 109 | ||
| 2001 | Classification | 435 | 536 | 514 | 530 | 424 | 250 | 436 | 438 | 428 | 257 | 427 | 73 | 359 |
| 894 | 487 | 440 | 380 | 346 | 184 | 180 | 152 | 132 | 127 | 126 | 123 | 120 | ||
| 2002 | Classification | 435 | 536 | 514 | 530 | 424 | 250 | 436 | 73 | 428 | 257 | 438 | 356 | 359 |
| 844 | 460 | 431 | 378 | 345 | 190 | 178 | 164 | 138 | 137 | 130 | 129 | 127 | ||
| 2003 | Classification | 435 | 514 | 536 | 424 | 530 | 250 | 436 | 73 | 257 | 359 | 438 | 356 | 428 |
| 747 | 415 | 397 | 358 | 332 | 174 | 169 | 155 | 152 | 149 | 148 | 145 | 129 | ||