Drilldown: Patents

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Patents > Applicant firm : Neufeldt & Kuhnke or None & Tech fields : Aerodynamics or lift or safety & IPCs : IPC B64C27/04 or None

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Applicant firm: (Click arrow to add another value)
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Full specification filed date:
Application number:
None (324)
Granted:
Supplementary to patent:
None (322) · Patent GB-1908-4519 (8) · Patent US-1910-1011683 (6) · Patent GB-1911-12232‎‎ (6) · Patent US-1913-04-21 George Raymond Lawrence (5) · Patent GB-1909-12556 (4) · Patent ES-1911-50083 (4) · Patent DE-1912-05-04 Otto Albin Budig (3) · Patent FR-1906-363017 (3) · Patent FR-1912-450892 (3) · Patent CH-1912-62201 (3) · Patent FR-1913-450892.17436 (3) · Patent GB-1909-2111 (3) · Patent GB-1911-5162 (3) · Patent DE-1898-126955 (3)
Related to aircraft:
Patent agent:
None (282) · Munn & Co. (7) · A. Wunderlich & Cie, Ingénieurs-Conseils (6) · Haseltine, Lake & Co. (6) · Raclot (4) · Victor J. Evans (4) · Duvinage (4) · Boult, Wade & Tennant (3) · Raclot et Cie (3) · Biebuyck (3) · Fayollet (3) · H. Kirchhofer (3)
National tech categories:
None (121) · HU V/h (67) · BE K (56) · AT 77d (24) · FR 6.4 (18) · FR 6.3 (15) · CH 129b (10) · AU 90.3 (9) · DK 77 (8) · USPC 244/139 (8) · IT 8 (6) · AU 90.5 (5) · DE 77h (5) · USPC 244/45R (4) · GB 4 with buoyant (4)
IPCs: (Click arrow to add another value)
CPCs:
None (360) · CPC B64B1/00 (10) · CPC B64C27/04 (8) · CPC B64C17/00 (8) · CPC B64C13/00 (8) · CPC B64C2700/6281 (7) · CPC B64C2700/6295 (6) · CPC B64C23/005 (6) · CPC B64B1/40 (5) · CPC B64C35/00 (4) · CPC B64C33/02 (4) · CPC B64C39/08 (4) · CPC B64C3/385 (3) · CPC B64C2201/00 (3) · CPC B64D17/00 (3) · CPC B64C27/006 (3)
First filing:
Citations from after 1930:
Number of diagram pages:

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