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Patents > Applicant firm : Kommanditgesellschaft Werner & Pfleiderer or None & Number of claims: 7-8

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Tech fields:
airplane (158) · frame (100) · stability (87) · None (68) · propulsion (66) · LTA (64) · design (57) · navigation (51) · propeller (49) · construction (47) · propellers (41) · wings (37) · safety (37) · rudder (36) · control (33) · wheels (31) · landing (29) · marine (25) · automatic stability (23) · hybrid (23)
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Supplementary to patent:
None (393) · Patent US-1913-1087946 (3) · Patent GB-1909-12556 (3) · Patent GB-1908-4519 (3) · Patent AU-1911-510 (2) · Patent US-1910-996592 (2) · Patent US-1904-876125 (2) · Patent US 1906 12 10 (2) · Patent FR-1911-438355 (2) · Patent US-1918-1589780 (2) · Patent AT-1909-12-31 Vigilio Baldo (2)
Related to aircraft:
Patent agent:
None (123) · Munn & Co. (16) · Marks & Clerk (15) · None (12) · Boult, Wade & Tennant (11) · Armengaud jeune (10) · Haseltine, Lake & Co. (9) · Brewer & Son (8) · Victor J. Evans (6) · J. Bonnet-Thirion et Breton (6) · Ch. Mardelet (5) · C. A. Snow & Co. (5) · Abel & Imray (4) · L. Chassevent (4) · J. Bonnet-Thirion (4) · J. Owden O'Brien (4) · J. S. Withers & Spooner (4) · Lavoix et Mosès (4)
National tech categories:
None (193) · FR 6.4 (94) · HU V/h (17) · AU 90.3 (8) · USPC 244/80 (8) · CH 129b (6) · USPC 244/25 (6) · AT 77d (5) · USPC 244/90R (5) · USPC 244/22 (5) · USPC 244/45R (5) · USPC 244/139 (5) · AU 90.5 (4) · USPC 244/63 (4) · USPC 244/48 (4) · USPC 244/46 (4) · USPC 244/66 (4)
IPCs:
None (253) · IPC B64C39/00 (27) · IPC B64C17/00 (26) · IPC B64C1/00 (19) · IPC B64C35/00 (18) · IPC B64B1/00 (13) · IPC B64C33/02 (11) · IPC B64C11/00 (10) · IPC B64C3/00 (8) · IPC B64C3/38 (8) · IPC B64C13/00 (7) · IPC B64C33/00 (7) · IPC B64C3/18 (7) · IPC B64C23/00 (7) · IPC B64C3/42 (6) · IPC B64D27/00 (5) · IPC B64B1/58 (4) · IPC B64C27/04 (4)
CPCs:
None (99) · CPC B64C17/00 (39) · CPC B64C2700/6295 (26) · CPC B64B1/00 (21) · CPC B64C23/005 (19) · CPC B64C39/00 (17) · CPC B64C33/02 (17) · CPC B64C35/00 (17) · CPC B64C13/00 (16) · CPC B64C2700/6218 (14) · CPC B64C39/08 (12) · CPC B64C3/385 (11) · CPC B64C3/00 (8) · CPC B64C39/005 (8) · CPC B64B1/40 (7) · CPC B64C3/42 (7) · CPC B64C33/00 (6) · CPC B64C11/006 (6) · CPC B64C17/06 (6)
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Citations from after 1930:
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