Drilldown: Patents

Jump to navigation Jump to search
Patents > National tech categories: AT 77d & CPCs: None & Number of figures: 5-14

Use the filters below to narrow your results.

Office:
Inventors:
None (18) · Franz Xaver Wels (2) · Edmund Sparmann (2) · Ludwig Schmidl (2) · Adolf Warchalowski (2) · Heinrich Bier (2)
Inventor country:
Applicant person:
None (31) · Ludwig Schmidl (2) · Heinrich Bier (2) · Franz Xaver Wels (2) · Edmund Sparmann (2)
Applicant type:
Applicant is inventor:
Tech fields:
Frame (27) · airplane (27) · Wings (16) · Design (14) · LTA (14) · Construction (13) · propulsion (10) · stability (10) · propeller (9) · Flapping (9) · wheels (9) · Subsystem (8) · whole (8) · chassis (7) · navigation (7) · landing (6) · Control (6) · Propellers (6) · car (6)
Full specification filed date:
Granted:
Supplementary to patent:
None (44)
Related to aircraft:
Patent agent:
Assigned to:
National tech categories: (Click arrow to add another value)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:
Number of figures:

Showing below up to 78 results in range #1 to #78.

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


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