Drilldown: Patents

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Patents > Office : BE or DE or DK or SU & Applicant firm : Voigtländer & Sohn A.G. or None & Applicant is inventor: Yes & Granted: Yes & CPCs : CPC B64B1/58 or CPC B64C3/385 or None

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Office: (Click arrow to add another value)
Applicant firm: (Click arrow to add another value)
Applicant type:
Applicant is inventor: (Click arrow to add another value)
Tech fields:
airplane (177) · LTA (160) · design (106) · propulsion (93) · frame (78) · None (75) · stability (72) · propellers (65) · Wings (57) · navigation (55) · control (50) · balloon (44) · aerodynamics (39) · propeller (36) · hybrid (35) · Construction (33) · subsystem (31) · rudder (29) · lift (29)
Full specification filed date:
Granted: (Click arrow to add another value)
Supplementary to patent:
None (470) · Patent BE-1907-199348 (15) · Patent FR-1911-430455 (4) · Patent BE-1907-197626 (3) · Patent BE-1913-255172 (3) · Patent DE-1904-173378 (3) · Patent DE-1908-227242 (3) · Patent BE-1913-259683 (2) · Patent DE-1895-98580 (2) · Patent GB-1913-16499 (2) · Patent FR-1913-467415 (2) · Patent HU-1901-24148 (2) · Patent NO-1915-12-15 Carl Alfred Johansson (2) · Patent BE-1909-218585 (2) · Patent FR-1913-438580.17636 (2) · Patent FR-1913-430455.17114 (2) · Patent BE-1910-225558 (2) · Patent AT-1907-36106 (2) · Patent FR-1900-299924 (2)
Related to aircraft:
Patent agent:
None (473) · A. Wunderlich & Cie, Ingénieurs-Conseils (25) · Duvinage (21) · Raclot (19) · De Visscher et Graetz (11) · Biebuyck (8) · Kirkpatrick (8) · E. et G. Bede (8) · Raclot et Cie (6) · Gernaert (5) · Verhaeghen (4) · J. Gevers (4) · Wunderlich (4) · Borghans-von Kilch et Cie (3) · Rest (3) · le Comptoir indus. et tech. (anc. maison Picard) (3) · Parette (3)
Assigned to:
National tech categories:
BE K (245) · None (84) · DE 77 (80) · DE 77h (43) · DK 77 (39) · DE 77h.5 (23) · DE 77h.4 (21) · DE 77h.15 (18) · DE 77h.6 (13) · DE 77h.9 (6) · DE 77h.3 (6) · DK 65 (6) · DE 77h.10 (5) · DE 77h.2 (4) · RU 62b (3)
IPCs:
None (582) · IPC B64B1/58 (16) · IPC B64B1/06 (7) · IPC B64B1/00 (5) · IPC B64C3/38 (5) · IPC B64B1/14 (3) · IPC B64C33/02 (3) · IPC B64B1/22 (3) · B64B1/58 (3) · IPC B64B1/30 (2) · IPC B64C39/00 (2) · IPC B64C23/02 (2)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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