NBER Categories

This is a mashup of data from nber.org and uspto.gov as explained here. Links in the category column will show patent counts for 1840-2014. Links in the sub category category column will show the uspto class names and provide a link to get the patent counts for the sub category.

CategorySub Categoryuspto classes
1 Chemical11 Agriculture, Food, Textiles8, 19, 71, 127, 442, 5041
12 Coating106, 118, 401, 427
13 Gas48, 55, 95, 96
14 Organic Compounds534, 536, 540, 544, 546, 548, 549, 552, 554, 556, 558, 560, 562, 564, 568, 570
15 Resins520, 521, 522, 523, 524, 525, 526, 527, 528, 530
19 Miscellaneous-chemical23, 34, 44, 102, 117, 149, 156, 159, 162, 196, 201, 202, 203, 204, 205, 208, 210, 216, 222, 252, 260, 261, 349, 366, 416, 422, 423, 430, 436, 494, 501, 502, 510, 512, 516, 518, 585, 588
2 Computers & Communications21 Communications178, 333, 340, 342, 343, 358, 367, 370, 375, 379, 385, 4552
22 Computer Hardware & Software341, 380, 382, 395, 700, 701, 702, 704, 705, 706, 707, 708, 709, 710, 712, 713, 714
23 Computer Peripherials345, 347
24 Information Storage360, 365, 369, 711
3 Drugs & Medical31 Drugs424, 5143
32 Surgery & Med Inst.128, 600, 601, 602, 604, 606, 607
33 Biotechnology435, 800
39 Miscellaneous-Drgs & Med351, 433, 623
4 Electrical & Electronic41 Electrical Devices174, 200, 327, 329, 330, 331, 332, 334, 335, 336, 337, 338, 392, 4394
42 Electrical Lighting313, 314, 315, 362, 372, 445
43 Measuring & Testing73, 324, 356, 374
44 Nuclear & X-rays250, 376, 378
45 Power Systems60, 136, 290, 310, 318, 320, 322, 323, 361, 363, 388, 429
46 Semiconductor Devices257, 326, 438, 505
49 Miscellaneous-Elec191, 218, 219, 307, 346, 348, 377, 381, 386
5 Mechanical51 Mat. Proc & Handling65, 82, 83, 125, 141, 142, 144, 173, 209, 221, 225, 226, 234, 241, 242, 264, 271, 407, 408, 409, 414, 425, 451, 4935
52 Metal Working29, 72, 75, 76, 140, 147, 148, 163, 164, 228, 266, 270, 413, 419, 420
53 Motors & Engines + Parts91, 92, 123, 185, 188, 192, 251, 303, 415, 417, 418, 464, 474, 475, 476, 477
54 Optics352, 353, 355, 359, 396, 399
55 Transportation104, 105, 114, 152, 180, 187, 213, 238, 244, 246, 258, 280, 293, 295, 296, 298, 301, 305, 410, 440
59 Miscellaneous-Mechanical7, 16, 42, 49, 51, 74, 81, 86, 89, 100, 124, 157, 184, 193, 194, 198, 212, 227, 235, 239, 254, 267, 291, 294, 384, 400, 402, 406, 411, 453, 454, 470, 482, 483, 492, 508
6 Others61 Agriculture, Husbandry, Food43, 47, 56, 99, 111, 119, 131, 426, 449, 452, 4606
62 Amusement Devices273, 446, 463, 472, 473
63 Apparel & Textile2, 12, 24, 26, 28, 36, 38, 57, 66, 68, 69, 79, 87, 112, 139, 223, 450
64 Earth Working & Wells37, 166, 171, 172, 175, 299, 405, 507
65 Furniture, House Fixtures4, 5, 30, 70, 132, 182, 211, 256, 297, 312
66 Heating110, 122, 126, 165, 237, 373, 431, 432
67 Pipes & Joints138, 277, 285, 403
68 Receptacles53, 206, 215, 217, 220, 224, 229, 232, 383
69 Miscellaneous-Others1, 14, 15, 27, 33, 40, 52, 54, 59, 62, 63, 84, 101, 108, 109, 116, 134, 135, 137, 150, 160, 168, 169, 177, 181, 186, 190, 199, 231, 236, 245, 248, 249, 269, 276, 278, 279, 281, 283, 289, 292, 300, 368, 404, 412, 428, 434, 441, 462, 503

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