Drilldown: Patents

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Patents > Year granted: 1890 - 1899 & Applicant firm: None & First filing: Yes

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Patent agent:
None (152) · Munn & Co. (10) · Blétry aîné (5) · Société Marillier et Robelet (5) · C. A. Snow & Co. (4) · Richards & Co. (4) · John Wedderburn (3) · A. Ritter (3) · None (3) · Chassevent (3) · Lombard-Bonneville (2) · Société Matray frères (2) · Casalonga (2) · Société Louis Gudman et Cie (2) · Armengaud aîné (2) · Bert (2) · Armengaud jeune (2)
National tech categories:
None (81) · FR 6.3 (61) · DE 77 (43) · USPC 244/153R (10) · USPC 244/3.23 (7) · GB 4 without buoyant (4) · USPC 244/30 (4) · USPC 24/713.8 (3) · USPC 244/155R (3) · USPC 244/16 (3) · USPC 244/26 (3) · HU V/h (3) · GB 4 aëroplanes (3) · GB 4 propel & steer (3)
IPCs:
None (217) · IPC B64B1/00 (12) · IPC B64C31/06 (9) · IPC B64C31/00 (6) · IPC B64B1/40 (6) · IPC F42B10/00 (4) · IPC B64B1/58 (3) · IPC B64C33/02 (3) · IPC F24F7/02 (2) · IPC B64C39/00 (2) · IPC B64C31/04 (2) · IPC B64C31/02 (2) · IPC B64C3/38 (2) · IPC B64C29/00 (2) · IPC B64C27/54 (2) · IPC B64C27/04 (2) · IPC B64C3/00 (2)
CPCs:
None (140) · CPC B64B1/00 (17) · CPC A63H27/08 (13) · CPC B64B1/40 (11) · CPC B64C11/48 (10) · CPC B64C27/54 (8) · CPC F42B10/30 (6) · CPC B64C11/006 (6) · CPC B64C13/06 (6) · CPC B63H5/10 (5) · CPC B64C33/02 (5) · CPC Y02E10/72 (5) · CPC Y10T24/3747 (5) · CPC F05B2260/74 (4) · CPC F03D1/025 (4) · CPC Y02E10/74 (4)
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