Drilldown: Patents

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Patents > Applicant person: None & Tech fields : Treibschraube or safety

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Inventors:
None (18) · Caspar Braun (6) · Louis Capazza (4) · William Henry Fauber (3) · Howard de Walden (3) · Hans Knudsen (3) · Walter Hermann von Mach (2) · Société Internationale d’Éclairage par le gaz d’huile (2) · Richard Wilcke (2) · Ralph Hazlett Upson (2) · James Means (2) · Heinrich Bruns, Jr. (2) · Jean Francis Webb (2) · Albert Graff (2) · William Whitney Christmas (2)
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National tech categories:
None (33) · FR 6.3 (10) · FR 6.4 (5) · DE 77h (5) · DE 77h.15 (4) · AU 90.3 (4) · USPC 244/142 (3) · GB 4 aërostats (3) · HU V/h (3) · AT 77d (3)
CPCs:
None (73) · CPC B64B1/62 (4) · CPC B64B1/58 (3) · CPC B64D10/00 (2) · CPC B64C35/00 (2) · CPC B64C17/00 (2)
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