Drilldown: Patents

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Patents > Inventor country : CA or GB & Applicant type: INDIV & Tech fields : construction or lift or propulsion or subsystem & Patent agent : Charles Dony or Herbert Haddan & Co. or Victor J. Evans or Weismann et Marx or None

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Inventors:
Arthur Henry Edwards (6) · Walter George Tarrant (6) · Martin Diederich Rucker (6) · Henry Calder Lobnitz (4) · Sam Leonard Walkden (4) · Henry Shepley Booth (3) · John Edward Thompson (3) · Hiram Stevens Maxim (2) · John Wills Cloud (2) · George Sutherland Dodman (2) · Richard William Cowan (2) · Charles Pagé (2) · Francis Alexander Barton (2) · Hugh Bell (2) · John Jacob Day (2) · Alexander Albert Holle (2)
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Applicant person:
None (18) · Walter George Tarrant (6) · Martin Diederich Rucker (6) · Arthur Henry Edwards (6) · Sam Leonard Walkden (4) · Henry Calder Lobnitz (4) · John Edward Thompson (3) · Charles Pagé (2) · Francis Alexander Barton (2) · Henry Shepley Booth (2) · Alexander Albert Holle (2) · Hugh Bell (2) · Richard William Cowan (2) · George Sutherland Dodman (2)
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Application number:
None (58)
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National tech categories:
None (52) · GB 4 propel & steer (6) · DK 77 (4) · HU V/h (4) · NL 62 (4) · GB 4 without buoyant (3) · NL 62.7 (3) · GB 4 motors (3) · USPC 244/80 (2) · IT 8 (2) · DE 77 (2) · AT 77d (2) · FR 6.4 (2) · USPC 244/30 (2) · GB 4 framework (2)
CPCs:
None (51) · CPC B64C23/005 (3) · CPC B64C11/04 (3) · CPC B64C11/00 (2) · CPC B64C35/00 (2) · CPC B64B1/00 (2) · CPC B64B1/40 (2) · CPC B64C11/006 (2)
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Citations from after 1930:
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Showing below up to 145 results in range #1 to #145.

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