Drilldown: Patents

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Patents > Office : BE or IT or MX or Other & Tech fields: propeller & IPCs: None & First filing: Yes & Cites these patents : Patent GB-1901-346 or None & Citations from after 1930: None

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Office: (Click arrow to add another value)
Inventors:
Christian Lorenzen (4) · None (3) · Albert Hugo Friedel (3) · Louis Coutant Badeau (3) · Thomas Augustus Dring (3) · Richard Czygan (3) · Erik Emanuel Lindkvist (2) · Hellmuth Hirth (2) · Eugene F. Falconnet (2) · Albert Livingstone Blackman (2) · Hermann John Reiche (2)
Inventor country:
Applicant person:
None (34) · Christian Lorenzen (4) · Louis Coutant Badeau (3) · Albert Hugo Friedel (3) · Richard Czygan (3) · Thomas Augustus Dring (3) · Albert Livingstone Blackman (2) · Eugene F. Falconnet (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (79)
Granted:
Related to aircraft:
Patent agent:
None (119) · Munn & Co. (4) · R. S. & A. B. Lacey (3) · Herbert W. T. Jenner (2) · Watson E. Coleman (2) · Victor J. Evans (2) · Marks & Clerk (2)
National tech categories:
None (44) · DE 77h.6 (8) · USPC 244/6 (7) · USPC 244/51 (6) · DE 77 (5) · USPC 244/73R (5) · USPC 244/87 (5) · USPC 244/72 (4) · FR 6.4 (3) · CA 244/24 (3) · USPC 244/22 (3) · USPC 244/20 (3) · USPC 244/35R (3) · MX F. II (3) · USPC 244/66 (3)
IPCs: (Click arrow to add another value)
CPCs:
None (48) · CPC B64C23/005 (16) · CPC B64B1/00 (14) · CPC B64C11/006 (9) · CPC B64C33/02 (7) · CPC B64C11/00 (5) · CPC B64C11/48 (5) · CPC B64C39/005 (5) · CPC B64C9/00 (5) · CPC B63H1/12 (4) · CPC B64C2700/6295 (4) · CPC B64C27/12 (3) · CPC F05B2260/74 (3) · CPC B63H1/04 (3) · CPC B64C11/36 (3) · CPC B64C11/343 (3) · CPC B64C39/008 (3) · CPC B64C11/065 (3) · CPC B64C11/001 (3)
First filing: (Click arrow to add another value)
Cites these patents: (Click arrow to add another value)
Citations from after 1930:
Number of diagram pages:

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