Drilldown: Patents

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Patents > Tech fields: gas & Citations from after 1930: None

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Office:
Inventors:
None (17) · Johannes Schilling (12) · Henry Boinet (8) · Walter Hermann von Mach (6) · Alfred Chiodera (5) · Oskar Nauss (5) · Ralph Hazlett Upson (4) · Reinhold Richter (4) · de Préneuf (3) · Albert Jouveneau (3) · Paul Lehmann (3) · George Sutherland Dodman (3) · Arno Boener (3) · Louis-Étienne Roze (3) · Karl Bomhard (3) · Leonardo Torres Quevedo (3)
Applicant person:
None (86) · Johannes Schilling (10) · Oskar Nauss (5) · Reinhold Richter (3) · Karl Bomhard (3) · George Sutherland Dodman (3) · de Préneuf (3) · Paul Lehmann (3) · Arno Boener (3) · Michael Henry (2) · Ernő Noll (2) · Louis de Cherrier (2) · Carl Armbruster (2) · August Riedinger (2) · Frédéric-Marie Piret (2) · Leonardo Torres Quevedo (2) · Walter Herrmann von Mach (2) · Albert Jouveneau (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (127) · 191002298D (2)
Granted:
Supplementary to patent:
None (109) · Patent FR-1899-Boinet (5) · Patent DE-1908-221549 (5) · Patent DE-1909-226609 (4) · Patent DE-1908-220975 (4) · Patent DE-1909-Wilcke-Graff (2) · Patent FR-1909-411176 (2) · Patent DE-1908-239989 (2) · Patent FR-1913-456298 (2) · Patent DE-1908-250958 (2) · Patent BE-1907-11-22 Albert Jouveneau (2) · Patent GB-1913-16499 (2) · Patent FR-1893-233439 (2)
Related to aircraft:
Patent agent:
None (123) · Marks & Clerk (5) · Armengaud jeune (3) · 1 (2) · Boult, Wade & Kilburn (2) · Brewer & Son (2) · Herbert Haddan & Co. (2) · Schwab (2) · W. P. Thompson & Co. (2)
National tech categories:
None (54) · FR 6.4 (15) · AT 77d (11) · FR 6.3 (10) · DE 77h.3 (10) · HU V/h (9) · DE 77h.4 (8) · DE 77 (7) · DE 77h (5) · GB 4 with buoyant (4) · GB 4 aërostats (4) · RU Group V (4) · USPC 244/97 (4) · IT 8 (3) · DK 77 (3) · GB 4 propel & steer (3) · USPC 244/61 (2) · GB 4 (2) · DE 77h.2 (2)
IPCs:
None (114) · IPC B64B1/62 (15) · IPC B64B1/00 (10) · IPC B64B1/58 (10) · IPC B64B1/40 (5) · IPC B64B1/60 (4) · IPC B64B1/64 (4) · IPC B64B 1/62 (2)
CPCs:
None (102) · CPC B64B1/62 (20) · CPC B64B1/00 (14) · CPC B64B1/58 (14) · CPC B64B1/40 (7) · CPC B64C23/005 (4) · CPC B64B1/64 (3)
First filing:
Citations from after 1930:
Number of diagram pages:

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