Drilldown: Patents

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Patents > Office : DE or IN or US & IPCs: None & Family year: 1870 - 1879

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Office: (Click arrow to add another value)
Inventors:
None (141)
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Applicant person:
None (155)
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Tech fields:
None (151) · propulsion (12) · LTA (9) · propeller (8) · flapping (4) · projectile (4) · military (4) · human-powered (4) · hand tools (4) · marine (4)
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National tech categories:
None (178) · DE 77 (4) · USPC 244/28 (2) · USPC 416/112 (2) · USPC 244/73R (2) · USPC 244/3.23 (2) · USPC 416/194 (2)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C11/006 (32) · CPC B64C11/346 (26) · CPC F03D11/00 (22) · CPC Y02E10/722 (22) · CPC B64C11/48 (21) · CPC B63H1/12 (15) · CPC B63H1/04 (14) · CPC B64C27/33 (12) · CPC B64C11/343 (11) · CPC B64C11/36 (10) · CPC B64C27/54 (8) · CPC B64C11/06 (7) · CPC Y02E10/72 (7) · CPC F05B2260/74 (6) · CPC F03D1/025 (6) · CPC F01D5/06 (6) · CPC B64C11/00 (6)
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Cites these patents:
Citations from after 1930:
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Showing below up to 210 results in range #1 to #210.

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