Drilldown: Patents

Jump to navigation Jump to search
Patents > Tech fields : Airship or hydrogen & Assigned to: None

Use the filters below to narrow your results.

Office:
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (200) · 191002298D (2)
Granted:
Supplementary to patent:
None (278) · Patent DE-1913-301564 (6) · Patent DE-1912-279343 (4) · Patent DE-1909-02-25 Hugo Erdmann (3) · Patent IT-1913- (3) · Patent GB-1911-2636 (3) · Patent FR-1908-401308 (3) · Patent DE-1909-226609 (3) · Patent DE-1909-11-30 Attilio Robiola (3) · Patent US-1913-1087946 (3)
Related to aircraft:
Patent agent:
None (256) · Boult, Wade & Tennant (7) · Marks & Clerk (7) · Lavoix et Mosès (5) · Haseltine, Lake & Co. (5) · Armengaud jeune (5) · Weismann et Marx (3) · Victor J. Evans (3) · Schwab (3) · Herbert Haddan & Co. (3) · E. Blum & Co. (3) · Desnos (3) · de Bongé (3) · Chatwin, Herschell & Co. (3) · Chassevent (3) · Wheatley & Mackenzie (3)
Assigned to: (Click arrow to add another value)
National tech categories:
None (116) · HU V/h (80) · FR 6.4 (47) · FR 6.3 (33) · AT 77d (22) · DE 77 (16) · DE 77h.4 (6) · DE 77h.2 (5) · DE 77h.15 (4) · USPC 244/127 (4) · USPC 244/125 (4) · FR 5 (4) · DK 77 (3) · DE 77h (3) · BE K (3) · FR 7.3 (3) · USPC 244/96 (3) · AT 37a (3) · USPC 244/22 (3)
IPCs:
None (268) · IPC B64B1/00 (44) · IPC B64B1/58 (18) · IPC B64C11/00 (10) · IPC B64C39/00 (9) · IPC B64B1/62 (9) · IPC B64B1/40 (6) · IPC B64B1/22 (4) · IPC B64C1/00 (4) · IPC B64C13/00 (3) · IPC B64C23/00 (3) · IPC B64C17/00 (3) · IPC B64C33/02 (3)
CPCs:
None (227) · CPC B64B1/00 (59) · CPC B64B1/58 (21) · CPC B64B1/62 (14) · CPC B64B1/40 (10) · CPC B64C33/02 (6) · CPC B64C23/005 (6) · CPC B64C11/006 (5) · CPC B64C11/001 (4) · CPC B64C39/00 (4) · CPC B64C17/00 (4) · CPC B64C13/00 (4) · CPC B64C39/005 (3) · CPC B64B1/12 (3) · CPC B64C2001/0063 (3)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

Showing below up to 250 results in range #1 to #250.

View (previous 250 | next 250) (20 | 50 | 100 | 250 | 500)

P


View (previous 250 | next 250) (20 | 50 | 100 | 250 | 500)