Drilldown: Patents

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Patents > Applicant firm: None & Tech fields: Frame & Patent agent: None

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None (434) · Patent GB-1908-4519 (6) · Patent US-1909-970771 (5) · Patent US-1903-821393 (5) · Patent FR-1906-363017 (4) · Patent CH-1899-18666 (4) · Patent GB-1913-16499 (3) · Patent DE-1909-232158 (3) · Patent DE-1911-258741 (3) · Patent AU-1911-510 (3) · Patent GB-1911-12232‎‎ (3)
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None (585)
National tech categories:
None (77) · AT 77d (54) · HU V/h (54) · FR 6.4 (54) · DE 77h.5 (19) · DE 77 (18) · DE 77h (16) · IT 8 (15) · USPC 244/153R (14) · DK 77 (10) · USPC 244/30 (10) · USPC 244/22 (10) · USPC 244/90R (9) · GB 4 with buoyant (8) · DE 77h.9 (8) · GB 4 (6) · USPC 244/13 (6) · USPC 244/51 (6) · RU Group V (6) · DE 77h.4 (6)
IPCs:
None (419) · IPC B64B1/00 (28) · IPC B64C39/00 (20) · IPC B64B1/58 (12) · IPC B64C3/00 (11) · IPC B64C31/06 (11) · IPC B64C1/00 (11) · IPC B64C17/00 (9) · IPC B64C3/56 (7) · IPC B64C31/00 (6) · IPC B64C33/02 (6) · IPC B64C33/00 (5) · IPC B64C25/00 (5) · IPC B64C3/38 (5) · IPC B64C13/00 (4) · IPC B64B1/40 (4) · IPC B64C35/00 (4)
CPCs:
None (282) · CPC B64B1/00 (42) · CPC B64C2700/6295 (29) · CPC B64C33/02 (21) · CPC B64C39/00 (20) · CPC A63H27/08 (19) · CPC B64C17/00 (16) · CPC B64C13/00 (15) · CPC B64B1/58 (15) · CPC B64B1/40 (10) · CPC B64C3/00 (9) · CPC B64C23/005 (9) · CPC B64C3/385 (8) · CPC B64C29/0025 (7) · CPC B64C33/00 (7) · CPC B64C3/56 (6) · CPC B64C25/62 (5) · CPC B64C9/00 (5) · CPC B64C39/005 (5) · CPC B64C39/08 (5)
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