Drilldown: Patents

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Patents > Office : DK or GB & Assigned to : Moteurs Salmson or Sperry Gyroscope Company or None & National tech categories : DE 77 or USPC 244/45R or None & CPCs: None & Cites these patents: None

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Office: (Click arrow to add another value)
Inventor country:
None (1115) · GB (164) · DE (64) · FR (61) · US (45) · HU (9) · IT (8) · BE (7) · AT (7) · CH (7) · RU (4) · NO (4) · CA (3) · NZ (3) · AH (3)
Applicant is inventor:
Tech fields:
None (1063) · LTA (135) · propulsion (109) · navigation (79) · frame (57) · Balloon (56) · propeller (54) · airplane (51) · stability (46) · design (36) · rudder (30) · wings (27) · control (24) · marine (24) · propellers (24) · hybrid (23) · car (22) · subsystem (22) · dirigible (21) · safety (21)
Granted:
Supplementary to patent:
None (1371) ·   (11) · Patent GB-1912-18166 (2) · Patent FR-1907-377174 (2) · Patent CH-1907-41855 (2) · Patent NO-1915-12-15 Carl Alfred Johansson (2)
Related to aircraft:
Patent agent:
None (1216) · Haseltine, Lake & Co. (22) · Marks & Clerk (18) · Boult, Wade & Tennant (16) · Abel & Imray (11) · Herbert Haddan & Co. (10) · W. P. Thompson & Co. (9) · Wheatley & Mackenzie (8) · G. F. Redfern & Co. (7) · Brierley & Howard (6) · J. Owden O'Brien (6) · Hy. Fairbrother (5) · Boult, Wade & Kilburn (5) · Phillips & Leigh (5) · Jensen & Son (5) · J. E. Evans-Jackson & Co. (4) · Alfred Julius Boult (4) · A. M. & William Clark (4)
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IPCs:
CPCs: (Click arrow to add another value)
First filing:
Cites these patents: (Click arrow to add another value)
Citations from after 1930:
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