Drilldown: Patents

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Patents > Inventor location: None & IPCs : IPC E04H15/04 or None

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US (2653) · None (2532) · FR (1486) · DE (1022) · GB (728) · AT (233) · IT (172) · BE (141) · HU (89) · CA (87) · CH (82) · RU (76) · AU (64) · SE (36) · NO (32) · NL (31) · AH (30) · NZ (29) · ES (22) · Prussia (21)
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Cites these patents:
None (9474) · 1910 (7) · 1 (5) · 1909 (3) · 0 (3) · CPC B64B1/00 (3) · 1911 (3) · Patent GB-1914-23502 (2) · Patent FR-1910-424987 (2) · Patent FR-1909-411204 (2) · Patent AT-1909-47911‎‎ (2) · Patent GB-1901-346 (2) · 1887 (2) · 1907 (2)
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