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Patents > Year granted: 1920 & Applicant person : Samuel W. Irwin or None

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Year granted:
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Applicant firm:
None (20) · Luftschiffbau Schütte-Lanz (6) · Société des Avions Louis Bréguet (5) · Société Anonyme des Établissements Nieuport (5) · Mercur Flugzeugbau (5) · Rumpler-Werke G.m.b.H. in Berlin-Johannisthal (4) · Allgemeine Elektricitäts-Gesellschaft (4) · Luft-Verkehrs-Gesellschaft m.b.H. (4) · Gothaer Waggonfabrik A. G. (4) · Gesellschaft für Apparatenbau A. R. Ahrent und P. Heylandt G.m.b.H. (3) · Otwi-Werke m.b.H. (3) · Zeppelin-Werke G.m.b.H. (3) · Curtiss Aeroplane (3)
Applicant is inventor:
Tech fields:
airplane (45) · None (29) · frame (18) · design (14) · construction (14) · biplane (9) · aerodynamics (9) · wings (9) · LTA (9) · propeller (9) · subsystem (8) · Motors (7) · Military (7) · fuselage (7) · navigation (7) · chassis (6)
Full specification filed date:
Application number:
None (45)
Granted:
Supplementary to patent:
None (85)
Related to aircraft:
IPCs:
None (58) · IPC B64C3/00 (9) · IPC B64C1/00 (5) · IPC B64C35/00 (5) · IPC B64B1/58 (4) · IPC B64C25/62 (2) · IPC B64C3/18 (2) · IPC B64C3/26 (2) · IPC B64C3/54 (2) · IPC B64C13/00 (2) · IPC B64C11/14 (2) · IPC B64C11/00 (2) · IPC B64C25/66 (2)
CPCs:
None (42) · CPC B64C3/00 (12) · CPC B64C35/00 (7) · CPC B64C13/00 (6) · CPC B64C2700/6235 (6) · CPC B64B1/58 (5) · CPC B64C2700/6233 (4) · CPC B64C3/26 (3) · CPC B64C17/00 (3) · CPC B64C2001/0063 (3) · CPC B64C1/12 (3) · CPC B64B1/40 (3) · CPC B64C1/00 (3) · CPC B64C25/62 (2) · CPC B64C3/54 (2) · CPC B64F2700/6288 (2) · CPC B64C2001/0081 (2) · CPC B64C2700/6256 (2) · CPC B64C11/00 (2) · CPC B64C11/14 (2)
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Citations from after 1930:
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