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 & Number of diagram pages: 1

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Office: (Click arrow to add another value)
Inventors:
None (3) · Richard Czygan (3) · Hellmuth Hirth (2) · Hiram Stevens Maxim (2)
Inventor country:
Applicant person:
None (17) · Richard Czygan (3) · Hiram Stevens Maxim (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Granted:
Related to aircraft:
National tech categories:
None (15) · DE 77h.6 (7) · DE 77 (5) · USPC 416/236A (2) · RU Group V (2) · DE 77h (2) · USPC 244/51 (2) · USPC 416/236R (2)
IPCs: (Click arrow to add another value)
CPCs:
None (20) · CPC B64C11/065 (3) · CPC B64C11/36 (3) · CPC B64B1/00 (3) · CPC B64C9/00 (3) · CPC B64C11/006 (3) · CPC B64C23/005 (3) · CPC B64C11/48 (2) · CPC B64C11/343 (2) · CPC F04D29/30 (2) · CPC F05B2260/74 (2) · CPC B64C11/00 (2) · CPC B64B1/58 (2) · CPC B63H1/12 (2)
First filing: (Click arrow to add another value)
Cites these patents: (Click arrow to add another value)
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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