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Patents > Inventor country : NL or None & Applicant is inventor: Yes & CPCs : CPC B64C23/005 or None

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Inventor country: (Click arrow to add another value)
Applicant is inventor: (Click arrow to add another value)
Granted:
Supplementary to patent:
None (1986) ·   (6) · Patent FR-1880-139386 (3) · 1 (2) · Patent FR-1881-143264 (2) · Patent DE-1899-123884 (2) · Patent US-1911-1109891 (2) · Patent BE-1913-253298 (2) · Patent GB-1912-2540 (2) · Patent FR-1900-299924 (2)
Patent agent:
None (1873) · Desnos (13) · Blétry aîné (11) · Armengaud jeune (10) · Dieuaide (8) · Chassevent (7) · Société Marillier et Robelet (6) · Dumas (5) · Casalonga (4) · Nauhardt (4) · Société Louis Gudman et Cie (4) · Armengaud aîné (4) · Thirion (4) · Fayollet (3) · Société Thirion et Bonnet (3) · Caron (3) · Duvinage (3) · Société Matray frères (3)
National tech categories:
None (1536) · FR 6.3 (188) · USPC 244/147 (17) · USPC 244/139 (17) · USPC 244/142 (15) · BE K (14) · GB 4 (13) · GB 4 propel & steer (12) · USPC 244/153R (12) · GB 4 without buoyant (9) · GB 4 with buoyant (9) · USPC 244/53A (9) · AT 77d (8) · USPC 244/149 (8) · DE 77 (8) · USPC 244/144 (7) · NL 62 (7) · FR 5 (7) · HU V/h (6) · FR 6 (6)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of diagram pages:

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