Drilldown: Patents

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Patents > Year filed: 1910 - 1919 & Year granted: 1912 & Granted: Yes

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FR (390) · US (337) · DE (130) · GB (70) · IT (30) · AT (25) · BE (17) · RU (16) · HU (14) · None (10) · CH (9) · CA (7) · AU (7) · RO (4) · ES (4) · VN (3) · DK (3) · MX (3) · DZ (2) · AH (2)
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None (975) · Seine (17) · Paris (10) · Nord (9) · New York (5) · Budapest (5) · Bouches-du-Rhône (3) · Pisa (3) · New York county (3) · New York City (3) · London (3) · California (3) · Michigan (3) · Berlin (3)
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National tech categories:
FR 6.4 (353) · None (264) · HU V/h (28) · FR 6.2 (18) · USPC 244/90R (14) · USPC 244/80 (13) · AT 77d (11) · USPC 244/45R (10) · BE K (10) · DE 77h.5 (9) · USPC 244/35R (9) · USPC 244/76R (9) · USPC 244/22 (9) · USPC 244/48 (8) · USPC 244/6 (8) · USPC 244/144 (8)
IPCs:
None (494) · IPC B64C17/00 (92) · IPC B64C39/00 (72) · IPC B64C1/00 (69) · IPC B64C11/00 (24) · IPC B64C25/00 (21) · IPC B64C3/00 (20) · IPC B64B1/00 (16) · IPC B64C3/38 (16) · IPC B64C35/00 (14) · IPC B64C3/56 (13) · IPC B64C33/02 (12) · IPC B64D17/00 (12) · IPC B64C3/54 (11) · IPC B64C23/00 (11) · IPC B64B1/58 (10) · IPC B64C17/06 (10) · IPC B64B1/40 (7) · IPC B63H1/12 (7) · IPC B64C11/16 (7)
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