Drilldown: Patents
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- Airplane (18)
- Airship (15)
- Companies (481)
- Event (141)
- Letters (683)
- Organizations (967)
- Patents (17647)
- Person (2198)
- Publications (24575)
- Techtypes (2407)
Use the filters below to narrow your results.
Albert Wetzel (1) ·
David Stephens Brown (1) ·
Ferdinand Klepsch (1) ·
Franz Börner (1) ·
Gustav Behrens (1) ·
Harry Martin Middleton (1) ·
Heinrich Börner (1) ·
Heinrich Dittmar (2) ·
Heinrich Koppers (1) ·
Nikolaus Schmitt (1) ·
Société DE FELTEN & GUILLEAUME LAHMEYERWERKE ACTIEN GESELLSCHAFT (1) ·
W. Rettig (1) ·
Wilhelm Binder (1)
airfoil (1) ·
airplane (1) ·
Anchor (2) ·
balloon (3) ·
balloons (2) ·
Baumwollstoff (1) ·
benzene (1) ·
Biblio data on espacenet says: Improvements relating to hollow metal screw propellers) (1) ·
chemical (1) ·
dirigible (1) ·
electricity (2) ·
fabric (2) ·
flapping (1) ·
frame (2) ·
gas (2) ·
Goldschlägerhaut (1) ·
helicopter (1) ·
LTA (6) ·
material (1) ·
metal (1) ·
mooring (1) ·
navigation (1) ·
pressure (1) ·
propeller (2) ·
propulsion (1) ·
radioactivity (1) ·
safety (1) ·
texture (2) ·
valve (1) ·
whole (1) ·
wing (1) ·
wood (1) ·
X-ray (1)
Showing below up to 12 results in range #1 to #12.