Drilldown: Patents

Jump to navigation Jump to search
Patents > Tech fields : navigation or propeller & Number of claims: 8-9

Use the filters below to narrow your results.

Office:
Inventors:
Richard Wilcke (2) · Albert Hugo Friedel (2) · Francis Alexander Barton (2) · Reinhold Schmiechen (2) · Albert Graff (2)
Inventor country:
Applicant person:
None (16) · Albert Hugo Friedel (2) · Reinhold Schmiechen (2)
Applicant type:
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (23)
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (18) · Haseltine, Lake & Co. (3) · Munn & Co. (2) · W. D. Rowlingson (2) · R. S. & A. B. Lacey (2) · Marks & Clerk (2) · Michael J. Stark & Sons (2)
National tech categories:
None (20) · FR 6.4 (6) · USPC 244/66 (3) · USPC 244/93 (3) · USPC 244/52 (2) · USPC 244/100R (2) · HU V/h (2) · USPC 244/90R (2) · USPC 244/96 (2) · USPC 244/87 (2) · USPC 244/99.11 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of claims:
Number of diagram pages:

Showing below up to 86 results in range #1 to #86.

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


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