Drilldown: Patents

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Patents > Applicant type : INDIV or INDIV + COMPANY & Patent agent : Boult, Wade & Tennant or Lloyd Wise & Co. or None & National tech categories : USPC 244/90R or None

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Inventor country:
US (790) · FR (611) · GB (509) · None (428) · DE (258) · IT (56) · CA (46) · AT (44) · CH (40) · BE (37) · RU (26) · ES (22) · HU (16) · AU (16) · NO (14) · SE (14) · NZ (9) · NL (8) · RO (5) · IN (5)
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Supplementary to patent:
None (2703) · Patent GB-1908-4519 (4) · Patent FR-1916-502839 (3) · Patent HU-1901-24148 (3) · Patent US-1909-970771 (3)
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IPCs:
None (2654) · IPC B64C17/00 (30) · IPC B64C1/00 (27) · IPC B64C39/00 (23) · IPC B64C11/00 (17) · IPC B64B1/00 (12) · IPC B64C3/18 (11) · IPC B64C35/00 (11) · IPC B64C23/00 (11) · IPC B64C3/38 (9) · IPC B64C33/00 (9) · IPC B64C3/00 (9) · IPC B64C13/00 (9) · IPC B64B1/58 (8) · IPC B64C3/56 (7) · IPC B64C33/02 (6) · IPC B64B (6) · IPC CPC B64C13/00 (5) · IPC B64C3/54 (5)
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Citations from after 1930:

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