Drilldown: Patents
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- Airplane (18)
- Airship (15)
- Companies (481)
- Event (141)
- Letters (683)
- Organizations (969)
- Patents (17649)
- Person (2204)
- Publications (24578)
- Techtypes (2418)
Patents > Year granted:
1920 - 1929
& Tech fields :
Airplane or
propeller or
propellers or
stability
Use the filters below to narrow your results.
Inventors:
Applicant person:
None (93) ·
Ernst Heinkel (11) ·
Gabriel Voisin (6) ·
Jakob Haw (6) ·
Louis Blériot (5) ·
Pierre Levasseur (5) ·
Alfred John Macy (5) ·
Pierre-Jean-René Postel-Vinay (5) ·
Paul Schmitt (4) ·
Robert-Jules-Marie-Antoine Desmons (3) ·
Robert Gastambide (3) ·
Vilmos Zurowec (3) ·
Walter George Tarrant (3) ·
Charles Arthur Wragg (3) ·
William Davey Oddy (3) ·
Lawrence Burst Sperry (3) ·
Jules Gastambide (3) ·
John Edward Thompson (3) ·
John Arthur Weis (3)
Applicant firm:
None (203) ·
AGO Flugzeugwerke G. m. b. H. (5) ·
Moteurs Salmson (5) ·
Luft-Verkehrs-Gesellschaft m.b.H. (4) ·
Société Anonyme des Établissements Nieuport (4) ·
Daimler Motoren-Gesellschaft (3) ·
Gothaer Waggonfabrik A. G. (3) ·
Magyar Lloyd Repülőgép- és Mótorgyár-Részvénytársaság (3) ·
Österreichische Daimler Motoren A. G. (3) ·
Deutsche Flugzeug-Werke G. m. b. H. (3) ·
Daimler-Motoren-Gesellschaft (3) ·
Sperry Gyroscope Company (3) ·
Westinghouse Electric & Manufacturing Company (3)
Application number:
Supplementary to patent:
None (193) ·
Patent US-1918-1589780 (3) ·
Patent CA-1918-192493 (3) ·
Patent FR-1916-502839 (3) ·
Patent DE-1917-305040 (3) ·
Patent DE-1919-319462 (2) ·
Patent CA-1918-196108 (2) ·
Patent FR-1917-493342 (2) ·
Patent FR-1916-493411 (2) ·
Patent DE-1916-349065 (2) ·
Patent DE-1916-332540 (2) ·
Patent DE-1921-384750 (2) ·
Patent DE-1915-300200 (2) ·
Patent DE-1917-323641 (2)
Patent agent:
None (272) ·
Aircraft Propeller Corp. (1) ·
Curtiss Aeroplane & Motor Corp (1) ·
Curtiss Aeroplane and Motor Corporation (2) ·
Dayton-Wright Company (1) ·
Goodyear Tire and Rubber Company (3) ·
Haskelite Manufacturing Corporation (2) ·
Lawrence Sperry Aircraft Company (1) ·
Lawrence Sperry Aircraft Company, Inc. (1) ·
Macy Engineering Company (1) ·
Moteurs Salmson (5) ·
Pittsburgh Aeroplane & Motor Company (1) ·
Société Anonyme des Établissements Nieuport (2) ·
Sperry Gyroscope Company (4) ·
Thomas-Morse Aircraft (1) ·
Westinghouse Electric & Manufacturing Company (3) ·
Zeppelin-Werke Staaken G.m.b.H. (1)
National tech categories:
IPCs:
None (82) ·
IPC B64C3/00 (25) ·
IPC B64C17/00 (15) ·
IPC B64C11/00 (13) ·
IPC B64C11/20 (11) ·
IPC B64C1/00 (10) ·
IPC B64C13/00 (9) ·
IPC B64C11/04 (9) ·
IPC B64C23/00 (8) ·
IPC B64C3/56 (7) ·
IPC B64C3/18 (6) ·
IPC B64C35/00 (6) ·
IPC B64C11/36 (5) ·
IPC B64D27/00 (5) ·
IPC B64C11/34 (4) ·
IPC B64C39/00 (4) ·
IPC B64C11/16 (4) ·
IPC B64C25/00 (4) ·
IPC B64C1/06 (4)
CPCs:
None (70) ·
CPC B64C3/00 (25) ·
CPC B64C17/00 (18) ·
CPC B64C11/04 (12) ·
CPC B64C13/00 (12) ·
CPC B64C2700/6233 (9) ·
CPC B64C11/20 (8) ·
CPC B64C23/005 (8) ·
CPC B64C11/00 (8) ·
CPC B64C35/00 (7) ·
CPC B64C3/56 (7) ·
CPC B64C2700/6218 (6) ·
CPC B64C11/36 (5) ·
CPC B64C2001/0063 (5) ·
CPC B64C2700/6235 (5) ·
CPC B64C2700/6256 (5) ·
CPC B64D27/00 (5)
Showing below up to 250 results in range #1 to #250.
View (previous 250 | next 250) (20 | 50 | 100 | 250 | 500)
- Main
- Timeline: Year filed
- Timeline: Year granted
- Timeline: Filing date
- Timeline: Full specification filed date
- Timeline: Grant date
- Timeline: Publication date
- Timeline: Family year
- Calendar: Year filed
- Calendar: Year granted
- Calendar: Full specification filed date
- Calendar: Grant date
- Calendar: Family year
P
- Patent AT-1914-86789
- Patent AT-1914-86789
- Patent AT-1916-87037
- Patent AT-1917-81354
- Patent AT-1917-87219
- Patent AT-1917-87220
- Patent AT-1918-95440
- Patent AT-1920-91478
- Patent AU-1918-8217
- Patent AU-1918-9236
- Patent BE-1926-338559
- Patent CA-1917-195939
- Patent CA-1918-196108
- Patent CA-1918-196108
- Patent CA-1918-220537
- Patent CA-1918-220537
- Patent CA-1918-223196
- Patent CA-1919-232582
- Patent CA-1921-213446
- Patent CH-1917-92564
- Patent CH-1917-93962
- Patent CH-1917-94354
- Patent CH-1918-82356
- Patent DE-1911-321247
- Patent DE-1912-325223
- Patent DE-1912-325223
- Patent DE-1913-290120
- Patent DE-1913-293131
- Patent DE-1913-293131
- Patent DE-1913-330649
- Patent DE-1913-330776
- Patent DE-1913-337831
- Patent DE-1914-321808
- Patent DE-1914-324366
- Patent DE-1914-324366
- Patent DE-1914-325131
- Patent DE-1915-299150
- Patent DE-1915-300200
- Patent DE-1915-318431
- Patent DE-1915-318431
- Patent DE-1915-320843
- Patent DE-1915-320843
- Patent DE-1915-326209
- Patent DE-1915-339218
- Patent DE-1916-304238
- Patent DE-1916-321151
- Patent DE-1916-326431
- Patent DE-1916-332539
- Patent DE-1916-332540
- Patent DE-1916-341424
- Patent DE-1916-368721
- Patent DE-1917-303269
- Patent DE-1917-321072
- Patent DE-1917-323641
- Patent DE-1917-331773
- Patent DE-1917-333471
- Patent DE-1917-410403
- Patent DE-1918-318932
- Patent DE-1918-320732
- Patent DE-1918-320732
- Patent DE-1918-320985
- Patent DE-1918-321397
- Patent DE-1918-321398
- Patent DE-1918-323763
- Patent DE-1918-326210
- Patent DE-1918-329223
- Patent DE-1918-332427
- Patent DE-1918-335054
- Patent DE-1918-335054
- Patent DE-1918-343305
- Patent DE-1918-345022
- Patent DE-1918-354201
- Patent DE-1918-388402
- Patent DE-1918-390783
- Patent DE-1918-416009
- Patent DE-1919-319462
- Patent DE-1919-320942
- Patent DE-1919-324428
- Patent DE-1919-330782
- Patent DE-1919-332428
- Patent DE-1919-364419
- Patent DE-1919-367331
- Patent DE-1920-377885
- Patent DE-1920-417049
- Patent DE-1921-384750
- Patent DE-1921-391722
- Patent DE-1921-411258
- Patent DE-1922-384751
- Patent DE-1922-384754
- Patent DE-1922-388401
- Patent DE-1922-390989
- Patent DE-1922-392861
- Patent DE-1922-393686
- Patent DE-1922-394038
- Patent DE-1922-398192
- Patent DE-1924-431159
- Patent DK-1919-25941
- Patent DK-1919-25958
- Patent DK-1919-25958
- Patent DK-1919-27018
- Patent DK-1919-27363
- Patent ES-1923-84420
- Patent FR-1915-400578.23309
- Patent FR-1915-471920.23784
- Patent FR-1915-498337.22115
- Patent FR-1915-498338.22088
- Patent FR-1915-498338.22088
- Patent FR-1915-502241
- Patent FR-1915-502433
- Patent FR-1915-502469
- Patent FR-1915-502469
- Patent FR-1915-502520
- Patent FR-1915-502520
- Patent FR-1915-502554
- Patent FR-1915-502554
- Patent FR-1915-502674
- Patent FR-1915-502674
- Patent FR-1915-511703
- Patent FR-1915-511703
- Patent FR-1915-512095
- Patent FR-1915-513267
- Patent FR-1915-516878
- Patent FR-1915-524791
- Patent FR-1915-524799
- Patent FR-1916-491738.22303
- Patent FR-1916-492699.22249
- Patent FR-1916-496911.21376
- Patent FR-1916-502469.22128
- Patent FR-1916-502469.22128
- Patent FR-1916-502520.22245
- Patent FR-1916-502520.22245
- Patent FR-1916-502680
- Patent FR-1916-502839
- Patent FR-1916-502873
- Patent FR-1916-502873
- Patent FR-1916-503085
- Patent FR-1916-520777
- Patent FR-1916-521764
- Patent FR-1916-521764
- Patent FR-1916-528127
- Patent FR-1917-436934.21631
- Patent FR-1917-436934.21631
- Patent FR-1917-465760.21530
- Patent FR-1917-492088.21606
- Patent FR-1917-493411.24053
- Patent FR-1917-493651.22270
- Patent FR-1917-493651.22270
- Patent FR-1917-495954.22406
- Patent FR-1917-498821
- Patent FR-1917-498821.22290
- Patent FR-1917-502839.21604
- Patent FR-1917-502873.22286
- Patent FR-1917-502873.22286
- Patent FR-1917-503768
- Patent FR-1917-503769
- Patent FR-1917-503774
- Patent FR-1917-503777
- Patent FR-1917-504302
- Patent FR-1917-504302.22528
- Patent FR-1917-515011
- Patent FR-1917-521457
- Patent FR-1917-523805
- Patent FR-1917-524814
- Patent FR-1917-524815
- Patent FR-1917-524816
- Patent FR-1917-524816
- Patent FR-1917-524818
- Patent FR-1917-524818
- Patent FR-1917-534020
- Patent FR-1918-405961.24363
- Patent FR-1918-502839.23888
- Patent FR-1918-502839.23888
- Patent FR-1918-504131
- Patent FR-1918-506287
- Patent FR-1918-506287
- Patent FR-1918-516364
- Patent FR-1918-517825
- Patent FR-1918-524900
- Patent FR-1918-524900
- Patent FR-1918-533183
- Patent FR-1919-502616
- Patent FR-1919-506305
- Patent FR-1919-506522
- Patent FR-1919-506633
- Patent FR-1919-509611
- Patent FR-1919-510190
- Patent FR-1919-515806
- Patent FR-1919-534020.24206
- Patent FR-1919-534020.24206
- Patent FR-1920-502877
- Patent FR-1920-502877
- Patent FR-1920-503363
- Patent FR-1920-504018
- Patent FR-1920-504018
- Patent FR-1920-504933
- Patent FR-1920-509911.23253
- Patent FR-1920-511503
- Patent FR-1920-516627
- Patent FR-1920-518325
- Patent FR-1920-519352
- Patent FR-1920-521873
- Patent FR-1922-558925
- Patent GB-1917-168833
- Patent GB-1918-138656
- Patent GB-1918-147237
- Patent GB-1918-161961
- Patent GB-1919-128583
- Patent GB-1919-130983
- Patent GB-1919-130983
- Patent GB-1919-144395
- Patent GB-1920-141347
- Patent GB-1920-145434
- Patent GB-1920-145771
- Patent GB-1920-146375
- Patent GB-1920-146853
- Patent GB-1920-148293
- Patent GB-1920-148377
- Patent GB-1920-148521
- Patent GB-1920-160598
- Patent GB-1920-160598
- Patent GB-1920-170342
- Patent GB-1927-298181
- Patent GB-1927-653688
- Patent GR-1927-1538
- Patent HU-1912-82478
- Patent HU-1913-78954
- Patent HU-1915-76421
- Patent HU-1915-76421
- Patent HU-1915-76876
- Patent HU-1915-86545
- Patent HU-1916-76144
- Patent HU-1916-76144
- Patent HU-1916-76416
- Patent HU-1916-76997
- Patent HU-1916-80003
- Patent HU-1916-80003
- Patent HU-1916-80451
- Patent HU-1916-80452
- Patent HU-1916-80960
- Patent HU-1916-81381
- Patent HU-1916-86090
- Patent HU-1917-75935
- Patent HU-1917-76071
- Patent HU-1917-76184
- Patent HU-1917-76630
- Patent HU-1917-76645
- Patent HU-1917-76669
- Patent HU-1917-76695
- Patent HU-1917-76719
- Patent HU-1917-76924