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Patents > Office : DE or FR or GB or LU or NL & Applicant firm: None

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Office: (Click arrow to add another value)
Inventor country:
FR (3553) · None (2104) · GB (1252) · DE (1144) · US (672) · IT (170) · AT (158) · CH (112) · BE (108) · RU (84) · HU (62) · AU (45) · CA (44) · NL (43) · RO (33) · DZ (26) · ES (26) · NO (21) · Poland (21) · Prussia (19)
Applicant firm: (Click arrow to add another value)
Applicant is inventor:
Application number:
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National tech categories:
None (5301) · FR 6.4 (2498) · FR 6.3 (530) · DE 77 (148) · FR 5 (138) · DE 77h.5 (118) · FR 6.2 (90) · DE 77h (85) · GB 4 propel & steer (73) · DE 77h.6 (54) · GB 4 with buoyant (44) · FR 5.8 (39) · GB 4 without buoyant (34) · DE 77h.15 (32) · FR 6 (31) · DE 77h.9 (30) · FR 10.1 (29) · FR 5.3 (26) · GB 4 aërostats (26) · DE 77h.4 (26)
First filing:
Cites these patents:
None (9662) · 1 (4) · 0 (4) · Patent FR-1911-438363 (3) · Patent GB-1914-23502 (2) · Patent GB-1909-3202 (2) · Patent GB-1909-8118 (2) · Patent GB-1912-5966 (2) · Patent GB-1913-5223 (2) · Patent GB-1912-15735 (2) · Patent GB-1901-346 (2)
Citations from after 1930:
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