Drilldown: Patents

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Patents > Applicant firm : Portadown Weaving Company Limited or None & Grant date: 1919

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None (577) · Seine (7) · London (7) · Paris (3) · Los Angeles (3) · Budapest (3) · England (3) · Loir-et-Cher (2) · Ain (2) · Manchester (2) · New York county (2) · Genay (2) · NYC (2) · Ontario (2) · Loire (2) · Aisne (2)
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Tech fields:
None (276) · airplane (103) · construction (45) · frame (44) · Propellers (39) · control (38) · stability (36) · design (33) · wings (25) · propulsion (23) · Subsystem (23) · fuselage (22) · LTA (21) · military (20) · structure (17) · airship (13) · motors (13) · metal (11) · biplane (11)
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Supplementary to patent:
None (528) · Patent FR-1917-494365 (3) · Patent CA-1917-183481 (2) · Patent US-1917-1283607 (2) · Patent SE-1917-46288 (2) · Patent IT-1916-07-14 (2) · Patent GB-1918-128724 (2) · Patent FR-1916-502839 (2) · Patent GB-1915-15085 (2)
Related to aircraft:
Patent agent:
None (305) · None (27) · Lavoix et Mosès (22) · Marks & Clerk (17) · Boult, Wade & Tennant (15) · J. Germain (10) · Société G. Breton, P. Audy, J. Rousset, A. Vergé (10) · Paul Blum (8) · A. M. & William Clark (8) · Herbert Haddan & Co. (8) · Abel & Imray (7) · Haseltine, Lake & Co. (6) · Brewer & Son (6) · G. F. Redfern & Co. (6) · J. Bonnet-Thirion et Breton (5) · Mewburn, Ellis & Pryor (5) · W. P. Thompson & Co. (4) · Brandon frères (4) · Dony et Lejeune (4) · Armengaud jeune (4)
Assigned to:
National tech categories:
None (436) · FR 6.4 (123) · AT 77d (18) · HU V/h (14) · DK 77 (4) · AU 90.5 (3) · FR 12.3 (3) · FR 5.8 (2) · NL 62.15 (2) · CH 129b (2) · DE 77h.5 (2) · NL 62 (2)
IPCs:
None (330) · IPC B64C3/00 (28) · IPC B64C3/18 (25) · IPC B64C39/00 (19) · IPC B64C35/00 (15) · IPC B64C17/00 (14) · IPC B64C1/00 (14) · IPC B64C1/06 (12) · IPC B64B1/00 (12) · IPC B64C23/00 (11) · IPC B64C13/00 (9) · IPC B64C11/00 (8) · IPC B64C33/02 (8) · IPC B64C11/04 (7) · IPC B64C27/04 (6) · IPC B64C3/38 (6) · IPC B64C11/36 (6) · IPC B64C13/24 (6) · IPC B64C13/12 (5) · IPC B64D33/10 (5)
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Citations from after 1930:
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