Drilldown: Patents

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Patents > Year granted: 1860 - 1869 & Cites these patents : USPC 244/87 or None & Citations from after 1930: None

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Office:
Inventors:
None (65) · Richard Boyman-Boyman (4) · Matthew Piers Watt Boulton (4) · William H. Holland (3)
Inventor country:
Applicant person:
None (190) · William H. Holland (3) · Charles Spear (2) · Watson F. Quinby (2) · Richard Boyman-Boyman (2) · Jose Pesaña y Piñol (2) · John Kinnersley Smythies (2)
Applicant firm:
Applicant type:
Applicant is inventor:
Tech fields:
None (101) · LTA (29) · propulsion (28) · marine (17) · navigation (16) · balloon (15) · military (15) · projectile (14) · propeller (14) · paddle-wheel (9) · Aerial Navigation* (7) · dirigible (6) · hybrid (6) · kite (6) · windmill (5) · Aerostat (5) · Paddle wheel (4) · Safety (4)
Full specification filed date:
Application number:
Granted:
Related to aircraft:
National tech categories:
None (158) · FR 5 (24) · USPC 244/3.23 (11) · FR 6 (8) · USPC 416/194 (5) · FR 20 (4) · USPC 244/153R (4) · USPC 244/30 (3) · USPC 244/127 (2) · USPC 416/227R (2) · USPC 244/73R (2) · USPC 244/64 (2) · USPC 244/3.3 (2) · GB 4 (2) · FR 12 (2) · FR 2 (2) · FR 3 (2)
CPCs:
None (128) · CPC B64C11/006 (29) · CPC B64C11/48 (16) · CPC B63H1/12 (9) · CPC F42B10/30 (9) · CPC B64C11/36 (8) · CPC F03D1/025 (7) · CPC B63H1/04 (6) · CPC F05B2260/74 (5) · CPC F01D5/06 (5) · CPC B64C11/00 (5) · CPC B64C11/06 (4) · CPC B64C11/346 (4) · CPC A63H27/08 (4) · CPC Y02E10/223 (3) · CPC B64C11/34 (3) · CPC B64C11/343 (3) · CPC B64C25/60 (3)
First filing:
Cites these patents: (Click arrow to add another value)
Citations from after 1930:
Number of text pages:
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