Drilldown: Patents

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Patents > Tech fields : Airplane or None & IPCs : IPC B64C17/00 or IPC B64C23/00 or IPC B64C3/56 or IPC B64C31/06 or None & First filing: Yes & Number of claims: None

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None (2271) · Raclot (4) · A. Wunderlich & Cie, Ingénieurs-Conseils (4) · W. P. Thompson & Co. (2) · Gernaert (2) · Munn & Co. (2) · Duvinage (2) · Honold (2) · Borghans-von Kilch et Cie (2)
National tech categories:
None (1648) · BE K (40) · USPC 244/90R (32) · USPC 244/48 (20) · USPC 244/22 (19) · FR 6.3 (19) · USPC 244/233 (18) · MX F. III (18) · USPC 244/119 (16) · FR 6.4 (16) · USPC 244/45R (15) · USPC 244/87 (14) · USPC 244/91 (14) · IT 8 (14) · USPC 244/80 (12) · USPC 244/139 (12) · USPC 244/13 (12)
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