Drilldown: Patents

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Patents > Applicant firm: None & Tech fields : hydrogen or stability

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Inventor country:
FR (496) · US (410) · DE (158) · GB (151) · HU (45) · IT (43) · AT (39) · None (31) · BE (29) · RU (23) · CA (17) · CH (15) · AU (14) · NO (11) · NZ (8) · ES (7) · VN (7) · SE (7) · Prussia (6) · DK (6)
Inventor location:
None (1304) · Budapest (25) · Seine (20) · Nord (13) · Paris (10) · Seine-et-Oise (9) · England (8) · Loire (7) · Nièvre (5) · Hérault (5) · New York (4) · Sachsen (4) · Pennsylvania (4) · Orne (4) · New York county (4) · New York City (4) · Massachusetts (4) · Morbihan (4) · Meurthe-et-Moselle (4)
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Related to aircraft:
Assigned to:
None (1483) · Goodyear Tire and Rubber Company (5) · 1 (2)
IPCs:
None (662) · IPC B64C17/00 (371) · IPC B64C1/00 (288) · IPC B64C39/00 (60) · IPC B64C17/06 (50) · IPC B64B1/00 (31) · IPC B64C13/00 (25) · IPC B64C3/38 (23) · IPC B64C23/00 (17) · IPC B64B1/40 (15) · IPC B64C3/54 (13) · IPC B64B1/58 (12) · IPC B64C33/00 (12) · IPC B64C3/00 (10) · IPC B64C33/02 (9) · IPC B64C3/14 (7) · IPC B64C9/00 (7) · IPC B64C17/04 (7)
CPCs:
CPC B64C17/00 (456) · None (361) · CPC B64C2700/6218 (147) · CPC B64C2700/6212 (78) · CPC B64C13/00 (70) · CPC B64C17/06 (62) · CPC B64C2700/6295 (57) · CPC B64C2700/6214 (48) · CPC B64C39/00 (46) · CPC B64B1/00 (42) · CPC B64C3/385 (38) · CPC B64C2700/6216 (38) · CPC B64C23/005 (35) · CPC B64C1/00 (32) · CPC B64C2700/6219 (29) · CPC B64C2700/6256 (19) · CPC B64B1/40 (19) · CPC B64C33/02 (18) · CPC B64C39/08 (17) · CPC B64C3/14 (15)
First filing:
Citations from after 1930:

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