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Patents > Inventor location : Pennsylvania or None & Number of text pages: 5

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Tech fields:
airplane (142) · stability (84) · frame (69) · design (65) · propulsion (56) · None (51) · LTA (47) · control (47) · wings (43) · propellers (39) · propeller (33) · navigation (32) · construction (31) · aerodynamics (25) · Automatic stability (25) · landing (24) · rudder (23) · hybrid (23) · subsystem (21) · HTA (20)
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Supplementary to patent:
None (291) · Patent US-1910-1011683 (3) · Patent DE-1909-05-03 Hans Lohmann (3) · Patent US-1913-1110355 (2) · Patent FR-1912-458772 (2) · Patent GB-1912-2540 (2) · Patent IT-1916-08-29 Castagneris (2) · Patent FR-1902-321808 (2) · Patent US-1911-1015150 (2) · Patent BE-1911-05-15 Georges de Bothezat (2) · Patent US-1904-876125 (2) · Patent AU-1911-510 (2) · Patent AU-1910-20097 (2)
Related to aircraft:
Patent agent:
None (84) · Marks & Clerk (13) · Boult, Wade & Tennant (11) · Munn & Co. (10) · None (8) · L. Chassevent (7) · Dupont et Elluin (6) · Wheatley & Mackenzie (5) · Brewer & Son (5) · Haseltine, Lake & Co. (4) · J. Bonnet-Thirion et Breton (4) · John P. Tarbox (4) · Lavoix et Mosès (4) · E. Blétry (4) · Weismann et Marx (4) · Ch. Faber (4)
National tech categories:
None (165) · FR 6.4 (110) · HU V/h (14) · CH 129b (6) · USPC 244/233 (5) · AU 90.3 (5) · USPC 244/30 (4) · USPC 244/35R (4) · USPC 244/51 (3) · USPC 244/22 (3) · FR 6.1 (3) · AT 77d (3) · USPC 244/80 (3) · USPC 244/177 (3) · USPC 244/96 (3) · USPC 244/25 (3) · USPC 244/234 (3)
IPCs:
None (178) · IPC B64C17/00 (39) · IPC B64C1/00 (29) · IPC B64C39/00 (29) · IPC B64C3/38 (17) · IPC B64C33/02 (14) · IPC B64C35/00 (8) · IPC B64C11/00 (8) · IPC B64C27/04 (7) · IPC B64C33/00 (7) · IPC B64B1/00 (7) · IPC B64C13/00 (7) · IPC B64C23/00 (6) · IPC B64C3/00 (5) · IPC B64C17/06 (5) · IPC B64B1/40 (4)
CPCs:
None (79) · CPC B64C17/00 (49) · CPC B64C13/00 (21) · CPC B64C2700/6295 (18) · CPC B64C3/385 (18) · CPC B64C2700/6218 (18) · CPC B64C23/005 (17) · CPC B64C39/00 (17) · CPC B64C33/02 (17) · CPC B64B1/00 (16) · CPC B64C39/08 (10) · CPC B64C35/00 (9) · CPC B64C2700/6214 (8) · CPC B64C33/00 (8) · CPC B64C11/006 (7) · CPC B64C39/005 (7) · CPC B64C2700/6256 (6)
First filing:
Citations from after 1930:
Number of text pages:
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