Drilldown: Patents

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Patents > Applicant firm: None & Tech fields : lift or propeller & Number of claims: 2

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Office:
Inventors:
Robert Esnault-Pelterie (7) · Giulio Silvestri (3) · Christian Lorenzen (3) · Hellmuth Hirth (2) · August Schlegelmilch (2) · Ignaz Etrich (2) · Jakob Haw (2) · Lucien Chauvière (2) · Max Richter (2) · Emanuel Kalisch (2) · Edward Joel Pennington (2) · Paul Petres (2) · Rudolf Penkala (2) · Spencer Heath (2) · Eduard Penkala (2) · Anton Findenigg (2)
Inventor country:
Applicant person:
None (27) · Robert Esnault-Pelterie (7) · Giulio Silvestri (3) · Christian Lorenzen (2) · Spencer Heath (2) · Rudolf Penkala (2) · Paul Petres (2) · Max Richter (2) · Lucien Chauvière (2) · Emanuel Kalisch (2) · Eduard Penkala (2) · Ignaz Etrich (2) · August Schlegelmilch (2) · Anton Findenigg (2)
Applicant firm: (Click arrow to add another value)
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Full specification filed date:
Application number:
None (64)
Granted:
Supplementary to patent:
None (102) · Patent FR-1908-392672 (5) · Patent AT-1909-IE (2) · Patent FR-1908-405961 (2)
Related to aircraft:
Patent agent:
None (58) · Armengaud jeune (9) · Haseltine, Lake & Co. (3) · Munn & Co. (3) · Victor J. Evans (3) · Abel & Imray (2) · J. Bonnet-Thirion (2) · E. Blétry (2) · Schwab (2) · H. C. Everett Co. (2)
National tech categories:
None (36) · FR 6.4 (26) · AT 77d (9) · DE 77h.6 (8) · HU V/h (4) · USPC 244/26 (3) · DE 77 (3) · FR 6.2 (2) · USPC 416/235 (2) · USPC 416/194 (2) · USPC 244/72 (2) · USPC 244/66 (2) · USPC 244/60 (2) · USPC 244/20 (2) · USPC 244/17.19 (2) · DK 77 (2) · CH 129b (2)
IPCs:
None (82) · IPC B64C39/00 (6) · IPC B64C3/54 (6) · IPC B64B1/00 (5) · IPC B64C11/16 (3) · IPC B64C1/00 (2) · IPC B64C3/48 (2) · IPC B64C3/38 (2) · IPC B64C29/00 (2) · IPC B64C27/00 (2) · IPC B64C23/00 (2)
CPCs:
None (41) · CPC B64B1/00 (9) · CPC B64C23/005 (7) · CPC B64C11/006 (5) · CPC B64C39/005 (5) · CPC B64C39/00 (4) · CPC B64C3/54 (4) · CPC B64C11/48 (3) · CPC B64C11/065 (3) · CPC B64C2700/6295 (3)
First filing:
Citations from after 1930:
Number of text pages:
Number of claims:
Number of diagram pages:

Showing below up to 142 results in range #1 to #142.

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