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Patents > Office : AH or DE or GB or SAX & Applicant type : Hermann Burkardt or INDIV or INIV or None & First filing: Yes

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Office: (Click arrow to add another value)
Inventor country:
GB (827) · DE (382) · None (287) · US (228) · FR (183) · IT (33) · AT (29) · CH (29) · RU (19) · CA (17) · IE (11) · BE (11) · AU (10) · NZ (9) · HU (7) · NO (6) · NL (6) · IN (6) · Poland (6)
Applicant type: (Click arrow to add another value)
Applicant is inventor:
Granted:
Supplementary to patent:
None (1901) ·   (8) · Patent FR-1912-439277 (2) · Patent FR-1910-435648 (2) · Patent DE-1908-250958 (2) · Patent DE-1908-227242 (2) · Patent DE-1893-73799 (2) · Patent CA-1878-8860 (2) · Patent FR-1913-472867 (2) · Patent FR-1913-467912 (2) · Patent FR-1909-401348 (2) · Patent FR-1909-408057‎ (2) · Patent FR-1914-475066 (2)
Patent agent:
None (1207) · Marks & Clerk (86) · Boult, Wade & Tennant (52) · None (49) · Haseltine, Lake & Co. (48) · Brewer & Son (27) · Herbert Haddan & Co. (25) · Abel & Imray (24) · Wheatley & Mackenzie (22) · W. P. Thompson & Co. (20) · J. S. Withers & Spooner (15) · G. F. Redfern & Co. (15) · Mewburn, Ellis & Pryor (14) · A. M. & William Clark (14) · Jensen & Son (14) · Brierley & Howard (13) · Hyde & Heide (12) · Browne & Co. (11)
National tech categories:
None (1785) · DE 77 (70) · DE 77h.5 (53) · DE 77h (27) · DE 77h.6 (21) · DE 77h.4 (15) · DE 77h.9 (13) · DE 77h.15 (12) · GB 4 propel & steer (9) · DE 77h.10 (8) · DE 77h.7 (7) · DE 77h.2 (7) · GB 4 propelling (6) · DE 77h.11 (6) · GB 4 aërostats (5) · DE 77h.3 (5)
First filing: (Click arrow to add another value)
Cites these patents:
None (2060) · Patent GB-1914-23502 (2) · Patent GB-1901-346 (2) · Patent GB-1912-15735 (2) · Patent GB-1912-5966 (2) · Patent GB-1913-5223 (2) · Patent GB-1909-8118 (2)
Citations from after 1930:
Number of diagram pages:

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