Drilldown: Patents

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Patents > Office : DK or GB & Assigned to : Moteurs Salmson or Sperry Gyroscope Company or None & National tech categories : 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 (1111) · GB (168) · DE (64) · FR (61) · US (45) · HU (9) · IT (8) · AT (8) · CH (7) · BE (7) · RU (4) · AH (4) · NZ (3) · CA (3)
Applicant is inventor:
Tech fields:
None (1062) · LTA (135) · propulsion (109) · navigation (79) · frame (59) · balloon (56) · propeller (54) · airplane (52) · stability (43) · design (36) · rudder (30) · wings (27) · marine (25) · propellers (25) · control (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)
Related to aircraft:
Patent agent:
None (1209) · 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) · Jensen & Son (5) · Phillips & Leigh (5) · Hy. Fairbrother (5) · Boult, Wade & Kilburn (5) · Alfred Julius Boult (4) · A. M. & William Clark (4) · None (4) · J. E. Evans-Jackson & Co. (4)
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IPCs:
CPCs: (Click arrow to add another value)
First filing:
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Citations from after 1930:
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