Drilldown: Patents

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Patents > Tech fields : safety or sail & Number of figures: 6-8

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Office:
Inventors:
Nazaire Lacrotte (4) · William Andrew Hutson (3) · Corneille-Gustave-Ernest Trumelet-Faber (3) · Howard de Walden (2) · Albert Graff (2) · Richard Wilcke (2) · Joseph Wetterwald (2) · Hans Knudsen (2) · Frédéric Bonnet (2)
Inventor country:
Applicant person:
None (12) · Nazaire Lacrotte (4) · Corneille-Gustave-Ernest Trumelet-Faber (3) · Hans Knudsen (2) · William Andrew Hutson (2) · Frédéric Bonnet (2) · Joseph Wetterwald (2) · Howard de Walden (2)
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National tech categories:
FR 6.4 (12) · None (10) · USPC 244/32 (3) · HU V/h (3) · USPC 244/28 (3) · USPC 244/30 (2) · USPC 244/144 (2) · USPC 2/2.14 (2) · USPC 244/98 (2) · USPC 244/99 (2) · AT 77d (2) · USPC 244/139 (2)
CPCs:
None (15) · CPC B64B1/00 (10) · CPC B64C17/00 (4) · CPC B64C13/00 (2) · CPC B64C33/02 (2) · CPC B64D17/54 (2) · CPC B64C3/14 (2) · CPC B64C2700/6295 (2) · CPC B64C2700/6212 (2) · CPC B64C39/00 (2) · CPC B64B1/40 (2) · CPC B64B1/58 (2)
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Citations from after 1930:
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