Drilldown: Patents

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Patents > Year filed: 1910 & Patent agent: None & First filing: Yes

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None (73)
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National tech categories:
None (66) · FR 6.4 (25) · HU V/h (19) · USPC 244/90R (17) · DE 77h.5 (11) · MX F. III (10) · AT 77d (8) · USPC 244/60 (6) · USPC 244/22 (5) · USPC 244/51 (5) · USPC 244/48 (5) · USPC 244/104R (5) · USPC 244/87 (5) · USPC 244/91 (5) · USPC 244/233 (5) · USPC 244/30 (4) · DE 77h.6 (4)
IPCs:
None (215) · IPC B64C17/00 (11) · IPC B64C1/00 (6) · IPC B64C11/00 (5) · IPC B64C39/00 (5) · IPC B64B1/00 (4) · IPC B64B1/58 (4) · IPC B64C13/00 (4) · IPC B64C3/38 (4) · IPC CPC B64C13/00 (3) · IPC B64C11/16 (3) · IPC B64C35/00 (2) · IPC B64C33/02 (2) · IPC B64C3/14 (2) · IPC B64C11/04 (2) · IPC B64C3/00 (2) · IPC B64B1/62 (2) · IPC B64C3/56 (2) · IPC B64C31/02 (2)
CPCs:
None (59) · CPC B64C13/00 (27) · CPC B64C17/00 (18) · CPC B64C2700/6295 (11) · CPC B64B1/00 (10) · CPC B64C3/385 (9) · CPC B64C23/005 (9) · CPC B64C13/24 (8) · CPC B64C33/02 (7) · CPC B64C9/00 (6) · CPC B64C39/00 (6) · CPC B64C11/00 (6) · CPC B64B1/58 (6) · CPC B64C11/006 (5) · CPC B64C3/14 (5) · CPC B64C2700/6256 (4) · CPC B64C2700/6218 (4) · CPC B64C3/40 (4) · CPC B64B1/62 (4)
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