Drilldown: Patents

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Patents > Application number: None & National tech categories: None & IPCs: None & Number of diagram pages: None

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Inventor country:
None (2090) · FR (253) · US (169) · DE (125) · GB (106) · RU (21) · HU (16) · BE (14) · IT (13) · NZ (11) · ES (10) · AU (10) · AT (9) · CH (7) · NO (5) · Ireland (4) · SE (4)
Applicant is inventor:
Application number: (Click arrow to add another value)
Granted:
Supplementary to patent:
None (2682) ·   (11) · Patent GB-1908-4519 (3) · Patent HU-1901-24148 (3) · Patent FR-1891-216860 (3) · Patent BE-1910-Hervieu-hangar (3) · Patent GB-1909-12556 (3)
Patent agent:
None (2782) · Henry Hughes (4) · Alfred Julius Boult (4) · Armengaud aîné (3) · Haseltine, Lake & Co. (3) · Thirion (2) · Casalonga (2) · Armengaud jeune (2) · J.H. Johnson (2) · Herbert John Haddan (2) · W. P. Thompson & Co. (2) · 0 (2) · 1 (2)
National tech categories: (Click arrow to add another value)
IPCs: (Click arrow to add another value)
CPCs:
None (2239) · CPC B64C11/006 (123) · CPC B64C11/346 (70) · CPC B64C11/48 (63) · CPC B64C11/36 (43) · CPC B63H1/12 (43) · CPC F05B2260/74 (36) · CPC B64C11/343 (34) · CPC F03D11/00 (31) · CPC Y02E10/722 (31) · CPC B63H1/04 (30) · CPC B64C11/06 (27) · CPC B64C27/33 (21) · CPC B64C3/48 (20) · CPC F03D1/025 (17) · CPC B64C11/065 (16) · CPC Y02E10/72 (16) · CPC F03D3/00 (14) · CPC Y02E10/74 (14)
First filing:
Citations from after 1930:
Number of diagram pages:
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