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Patents > Inventor country : GB or HU or NL & Applicant type : COMPANY or INDIV & Number of claims: 3-4

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Applicant is inventor:
Tech fields:
Airplane (73) · design (50) · stability (48) · None (44) · frame (41) · LTA (41) · Propulsion (37) · construction (36) · control (35) · Wings (35) · propellers (31) · subsystem (25) · aerodynamics (21) · lift (18) · Fuselage (17) · navigation (16) · Airship (14) · whole (12) · Rudder (12) · propeller (12)
Full specification filed date:
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Supplementary to patent:
None (292) · Patent GB-1909-2111 (4) · Patent GB-1914-20119 (2) · Patent HU-1909-49726 (2) · Patent GB-1909-12556 (2) · Patent GB-1908-4519 (2) · Patent GB-1913-16499 (2) · Patent GB-1910-885 (2)
Related to aircraft:
Patent agent:
None (106) · Marks & Clerk (20) · None (18) · Brewer & Son (11) · G. F. Redfern & Co. (6) · Haseltine, Lake & Co. (6) · Boult, Wade & Tennant (5) · A. M. & William Clark (4) · Abel & Imray (4) · Phillips & Leigh (4) · Wheatley & Mackenzie (4) · J. S. Withers & Spooner (4) · W. P. Thompson & Co. (3) · Eric W. Walford (3) · Hy. Fairbrother (3) · Hyde & Heide (3) · Brierley & Howard (3) · A. A. Thornton (3) · Mewburn, Ellis & Pryor (3)
National tech categories:
None (239) · HU V/h (39) · FR 6.4 (23) · AT 77d (6) · DK 77 (5) · DE 77h.7 (3) · USPC 244/51 (2) · USPC 244/30 (2) · USPC 244/225 (2) · HU VII/a (2) · DE 77h.6 (2) · GB 4 propel & steer (2)
IPCs:
None (130) · IPC B64C3/00 (19) · IPC B64B1/00 (16) · IPC B64C39/00 (16) · IPC B64C1/00 (14) · IPC B64C17/00 (14) · IPC B64C3/18 (12) · IPC B64C35/00 (11) · IPC B64C23/00 (9) · IPC B64C13/00 (7) · IPC B64C25/00 (6) · IPC B64C3/38 (6) · IPC B64C9/00 (5) · IPC B64C3/54 (5) · IPC B64C11/18 (4) · IPC B64C27/20 (4) · IPC B64C11/00 (4) · IPC B64C3/48 (4) · IPC B64C29/00 (4)
CPCs:
None (99) · CPC B64B1/00 (19) · CPC B64C3/00 (18) · CPC B64C2700/6295 (17) · CPC B64C17/00 (14) · CPC B64C39/00 (13) · CPC B64C23/005 (11) · CPC B64C35/00 (10) · CPC B64C13/00 (9) · CPC B64C2700/6233 (9) · CPC B64C2700/6235 (9) · CPC B64C2700/6274 (8) · CPC B64C2700/6256 (8) · CPC B64C3/185 (6) · CPC B64C9/00 (6) · CPC B64C3/18 (6) · CPC B64C3/48 (6) · CPC B64C3/385 (6)
First filing:
Cites these patents:
None (343) · Patent GB-1912-15735 (2) · Patent GB-1912-5966 (2)
Citations from after 1930:
Number of claims:
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