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Patents > Office : DE or GB & Inventor country : CA or HU or US

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Office: (Click arrow to add another value)
Inventor country: (Click arrow to add another value)
Applicant is inventor:
Tech fields:
None (156) · airplane (59) · LTA (56) · stability (49) · frame (44) · propulsion (39) · navigation (36) · design (30) · propeller (28) · propellers (24) · wings (23) · rudder (20) · steering (19) · construction (18) · airfoil (16) · safety (16) · instrument (15) · whole (14) · control (14) · marine (14)
Application number:
Granted:
Supplementary to patent:
None (289) · Patent US-1913-04-21 George Raymond Lawrence (3)
Related to aircraft:
Patent agent:
None (207) · Marks & Clerk (38) · J. S. Withers & Spooner (15) · Wheatley & Mackenzie (14) · Herbert Haddan & Co. (12) · Haseltine, Lake & Co. (9) · Jensen & Son (8) · J. S. Withers (7) · Brewer & Son (6) · A. M. & William Clark (6) · Gedge & Feeny (5) · W. P. Thompson & Co. (5) · G. F. Redfern & Co. (5) · F. W. Golby (4)
National tech categories:
None (369) · DE 77 (17) · DE 77h.5 (15) · GB 4 propel & steer (6) · GB 4 aëroplanes (6) · DE 77h (6) · GB 4 without buoyant (4) · GB 4 with buoyant (4) · DE 77h.9 (4) · DE 77h.7 (4) · DE 77h.6 (3) · DE 42c.35 (3) · GB 4 aërostats (3) · DE 42k.18 (3) · GB 4 framework (3) · GB 4 motors (2) · DE 42c.39 (2) · GB 4 propelling (2)
IPCs:
None (239) · IPC B64C39/00 (33) · IPC B64C17/00 (30) · IPC B64C1/00 (24) · IPC B64C13/00 (10) · IPC B64C27/04 (9) · IPC B64C33/02 (7) · IPC B64C23/00 (7) · IPC B64C3/38 (7) · IPC B62C5/04 (6) · IPC B64C3/00 (6) · IPC B64C5/04 (5) · IPC B64C35/00 (5) · IPC B64B1/58 (5) · IPC B64C3/42 (4) · IPC B64B1/00 (4)
CPCs:
None (111) · CPC B64C17/00 (49) · CPC B64C39/00 (40) · CPC B64C2700/6295 (37) · CPC B64C2700/6218 (22) · CPC B64C13/00 (18) · CPC B64C2700/6256 (17) · CPC B64C2700/6281 (14) · CPC B64C23/005 (13) · CPC B64B1/00 (13) · CPC B64C3/385 (10) · CPC B64C3/00 (10) · CPC B64C33/02 (9) · CPC B64C11/006 (9) · CPC B64C35/00 (9) · CPC B64C2700/6212 (9) · CPC B64C39/005 (9) · CPC B64C3/42 (8) · CPC B64C27/04 (8)
First filing:
Citations from after 1930:
Number of diagram pages:

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