Drilldown: Patents

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Patents > Tech fields: propulsion & IPCs: None & Number of text pages: 1-2

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Office:
Inventors:
None (14) · Rudolf Krocker (4) · Richard Czygan (3) · Vincent Wisniewski (3)
Inventor country:
Applicant person:
None (63) · Rudolf Krocker (3) · Vincent Wisniewski (3) · Waldemar Porak (2) · Otto Brunner (2) · Paul Frederik Degn (2) · Richard Czygan (2) · Josef Seiberl (2) · Jose Molinari (2) · Emanuel Kalisch (2) · Guido Antoni (2) · Jose Cervelli (2) · Ugo Antoni (2) · Giovanni Antonio Salvatico (2) · James A. Horne (2) · Wilhelm Kress (2) · Heinrich Mack (2) · Jean Bernasconi (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (143)
Granted:
Supplementary to patent:
None (164) · Patent DE-1899-123884 (3) · Patent FR-1899-284713 (2) · Patent FR-1904-342610 (2) · Patent DE-1907-215602 (2) · Patent DE-1893-73799 (2) · Patent DE-1902-140705 (2)
Related to aircraft:
Patent agent:
None (137) · Munn & Co. (11) · Victor J. Evans (4) · None (4) · R. S. & A. B. Lacey (2) · Charles Assi (2)
National tech categories:
None (32) · HU V/h (32) · AT 77d (23) · DE 77 (13) · USPC 244/73R (8) · DE 77h.6 (6) · DK 77 (5) · USPC 244/6 (5) · DE 77h (5) · USPC 244/66 (4) · USPC 244/20 (4) · USPC 244/28 (4) · FR 6.4 (4) · RU Group V (4) · USPC 244/70 (4) · CH 115 (3) · USPC 244/22 (3) · USPC 244/60 (3) · USPC 244/72 (3)
IPCs: (Click arrow to add another value)
CPCs:
None (121) · CPC B64C23/005 (11) · CPC B64B1/00 (11) · CPC B64C39/005 (8) · CPC B64C11/006 (6) · CPC B64C11/001 (6) · CPC B64C33/02 (5) · CPC B64C27/82 (4) · CPC B64C11/00 (3) · CPC B64C39/00 (2) · CPC B64C33/00 (2) · CPC B64C2700/6295 (2) · CPC F01D5/06 (2) · CPC B64C11/065 (2) · CPC B64C11/48 (2) · CPC F04D29/382 (2) · CPC Y02E10/72 (2) · CPC B63H1/12 (2) · CPC B64C39/026 (2)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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