Drilldown: Patents
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- Airplane (18)
- Airship (15)
- Companies (474)
- Event (141)
- Letters (683)
- Organizations (964)
- Patents (17451)
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- Publications (24414)
- Techtypes (2338)
Use the filters below to narrow your results.
Year filed:
Year granted:
1920 (455) ·
1921 (225) ·
1922 (100) ·
1923 (50) ·
1924 (33) ·
1925 (11) ·
1926 (4) ·
1927 (10) ·
1928 (4) ·
1929 (3)
Office:
Inventors:
None (164) ·
Ernst Heinkel (12) ·
Pierre Le Goaziou (10) ·
Glenn Hammond Curtiss (9) ·
Jakob Haw (9) ·
Alfred John Macy (8) ·
James Vernon Martin (8) ·
Henry Kleckler (8) ·
Gabriel Voisin (8) ·
John William Rapp (7) ·
Robert Kemp (7) ·
Paul Schmitt (6) ·
George Francis Myers (6) ·
Joseph Vanorio (6) ·
Christian Lorenzen (6)
Inventor country:
Applicant person:
Applicant firm:
None (666) ·
Curtiss Aeroplane (22) ·
Société Anonyme des Établissements Nieuport (8) ·
Luftschiffbau Schütte-Lanz (7) ·
Westinghouse Electric & Manufacturing Company (6) ·
AGO Flugzeugwerke G. m. b. H. (6) ·
Moteurs Salmson (5) ·
Zeppelin-Werke G.m.b.H. (5) ·
Luft-Verkehrs-Gesellschaft m.b.H. (5) ·
Société des Avions Louis Bréguet (5) ·
Gothaer Waggonfabrik A. G. (5) ·
Luftfahrzeugbau Schütte-Lanz (4) ·
Rumpler-Werke G.m.b.H. in Berlin-Johannisthal (4) ·
Daimler Motoren-Gesellschaft (4) ·
Österreichische Daimler Motoren A. G. (4) ·
Allgemeine Elektricitäts-Gesellschaft (4)
Applicant type:
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Patent agent:
None (630) ·
None (18) ·
Armengaud jeune (13) ·
M. Zerolo (11) ·
J. Germain (7) ·
Herbert H. Thompson (7) ·
Société G. Breton, P. Audy, J. Rousset, A. Vergé (6) ·
Paul Blum (6) ·
Dupont et Elluin (5) ·
Marks & Clerk (5) ·
Dony and Lejeune (5) ·
Munn & Co. (4) ·
Lavoix et Moses (4) ·
Joseph F. O'Brien (4) ·
Weismann et Marx (4) ·
Hippolyte Josse (4) ·
Fritz Isler (4)
Assigned to:
None (839) ·
Moteurs Salmson (5) ·
Curtiss Aeroplane and Motor Corporation (4) ·
Westinghouse Electric & Manufacturing Company (4) ·
Sperry Gyroscope Company (4) ·
Goodyear Tire and Rubber Company (3) ·
Société Anonyme des Établissements Nieuport (2) ·
John A. Roebling's Sons (2) ·
L W F Engineering Company (2)
National tech categories:
IPCs:
None (453) ·
IPC B64C3/00 (49) ·
IPC B64C1/00 (20) ·
IPC B64C35/00 (20) ·
IPC B64C17/00 (19) ·
IPC B64C11/00 (18) ·
IPC B64C13/00 (17) ·
IPC B64C3/18 (15) ·
IPC B64C11/20 (13) ·
IPC B64C39/00 (12) ·
IPC B64C23/00 (11) ·
IPC B64C25/00 (11) ·
IPC G01S1/72 (10) ·
IPC B64C1/06 (9) ·
IPC B64C13/12 (9) ·
IPC B64C11/04 (9) ·
IPC B64C3/56 (9) ·
IPC B64B1/58 (8)
CPCs:
None (125) ·
CPC B64C3/00 (71) ·
CPC B64C17/00 (43) ·
CPC B64C13/00 (38) ·
CPC B64C2700/6233 (33) ·
CPC B64C39/00 (31) ·
CPC B64C2700/6295 (29) ·
CPC B64C35/00 (26) ·
CPC B64C23/005 (26) ·
CPC B64C2700/6256 (26) ·
CPC B64C2700/6235 (24) ·
CPC B64C11/04 (21) ·
CPC B64C2700/6212 (18) ·
CPC B64C2001/0063 (16) ·
CPC B64C2001/0081 (16) ·
CPC B64C2700/6274 (16) ·
CPC B64C3/18 (14) ·
CPC B64C11/20 (13) ·
CPC B64C1/00 (13) ·
CPC B64B1/58 (13)
Family year:
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Citations from after 1930:
Number of text pages:
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Showing below up to 250 results in range #1 to #250.
