Drilldown: Patents
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Patents > Office:
DE 
& Applicant is inventor:
No
& National tech categories :
USPC 244/30 or
None
& IPCs:
None
& Applicant is inventor:
No
& National tech categories :
USPC 244/30 or
None
& IPCs:
None Use the filters below to narrow your results.
Year filed:
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None (20) ·
HELIX PROPELLER GES M (7) ·
MERCUR FLUGZEUGBAU (5) ·
Siemens-Schuckert-Werke G.m.b.H. (3) ·
EISENFUEHR (3) ·
Rudolf Wagner (3) ·
KAMERA KINOWERKE DRESDEN VEB (3) ·
BURNEY Charles DENNISTON (2) ·
HENSCHEL FLUGZEUG WERKE (2) ·
ZEPPELIN WERK LINDAU (2) ·
Luft Fahrzeug G.m.b.H. (2) ·
LUFTFAHRZEUGBAU SCHUETTE LANZ (2) ·
ZEPPELIN LUFTSCHIFFBAU (2) ·
OTWI WERKE M B H (2)
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CPCs:
CPC B64C3/00 (8) ·
CPC B64C2700/6281 (8) ·
CPC B64C35/00 (7) ·
CPC B64C25/62 (6) ·
CPC B64B1/58 (5) ·
CPC B64C2700/6235 (4) ·
CPC B64C27/00 (4) ·
CPC B64C11/36 (4) ·
CPC B64C2700/6233 (4) ·
CPC B64C11/04 (4) ·
CPC B64C1/12 (4) ·
CPC B64F2700/6261 (4) ·
CPC B64B1/00 (4) ·
CPC B64C11/00 (3) ·
CPC B64C9/00 (3) ·
CPC B64C17/00 (3) ·
CPC B64C2700/6295 (3) ·
CPC B64C29/0025 (3)
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Showing below up to 105 results in range #1 to #105.
