Drilldown: Patents

Jump to navigation Jump to search
Patents > Tech fields: HTA & IPCs : IPC B64C3/18 or None

Use the filters below to narrow your results.

Office:
Inventors:
None (4) · Ruter William Springer (4) · Franz Wondra (3) · Otto Schüle (3) · James Jesse Jackson (2) · John Arthur Weis (2) · Hans Hermann Hocke (2) · Godwin Meade Pratt Swift, Viscount of Carlingford (2) · Frank M. Bell (2) · Oszkár Asbóth (2) · Claude-Henri Soudan (2) · Robert M. Thompson (2) · Louis Brennan (2) · Waldemar Porak (2) · Carl Alfred Johansson (2) · Anthony Maruca (2)
Inventor country:
Applicant person:
None (5) · Ruter William Springer (4) · Franz Wondra (3) · Otto Schüle (3) · James Jesse Jackson (2) · Hans Hermann Hocke (2) · Louis Brennan (2) · Claude-Henri Soudan (2) · Godwin Meade Pratt Swift, Viscount of Carlingford (2) · Robert M. Thompson (2) · Frank Merrill Bell (2) · Carl Alfred Johansson (2) · John Arthur Weis (2) · Waldemar Porak (2) · Anthony Maruca (2)
Applicant type:
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (43)
Granted:
Related to aircraft:
Patent agent:
None (46) · E. Blum & Co. (2) · None (2) · Munn & Co. (2) · Duvinage (2)
National tech categories:
None (17) · HU V/h (11) · BE K (10) · AT 77d (4) · FR 6.4 (4) · FR 5 (3) · USPC 244/35R (3) · CH 129b (3) · DE 77 (2) · USPC 244/87 (2) · USPC 244/6 (2) · USPC 244/9 (2) · USPC 244/80 (2) · USPC 244/39 (2) · RU Group V (2) · CA 244/35 (2) · USPC 244/90R (2) · USPC 244/89 (2)
IPCs: (Click arrow to add another value)
First filing:
Cites these patents:
Citations from after 1930:
Number of diagram pages:

Showing below up to 98 results in range #1 to #98.

View (previous 250 | next 250) (20 | 50 | 100 | 250 | 500)


View (previous 250 | next 250) (20 | 50 | 100 | 250 | 500)