Drilldown: Patents

Jump to navigation Jump to search
Patents > Year filed: 1917 & Application number: None & First filing: No

Use the filters below to narrow your results.

Year filed:
(There are no values for this filter)
Year granted:
Office:
Inventor country:
Applicant is inventor:
Tech fields:
airplane (24) · instrument (10) · Design (8) · airship (6) · military (6) · safety (5) · control (5) · frame (5) · wings (4) · stability (4) · propellers (4) · construction (4)
Application number: (Click arrow to add another value)
Granted:
Publication date:
Supplementary to patent:
None (24) · Patent GB-1916-112641 (2) · Patent DE-1917-300978 (2) · Patent DE-1917-02-16 Oscar Gerhardt (2) · Patent GB-1916-109146 (2) · Patent DE-1916-10-07 Oscar Gerhardt (2) · Patent GB-1916-110419 (2) · Patent US-1916-1289206 (2) · Patent HU-1917-77280 (2)
Related to aircraft:
Assigned to:
Family year:
First filing: (Click arrow to add another value)
Cites these patents:
Citations from after 1930:
Number of diagram pages:

Showing below up to 66 results in range #1 to #66.

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

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