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Patents > Tech fields : ascension or stability & Number of text pages: 2-4

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None (1042) · (1/4) (2) · Hensel Aero Stabilizer Company (2) · Goodyear Tire and Rubber Company (2)
National tech categories:
FR 6.4 (449) · None (201) · HU V/h (52) · AT 77d (31) · USPC 244/80 (25) · DE 77h.5 (22) · USPC 244/90R (16) · FR 6.3 (16) · CH 129b (16) · USPC 244/93 (11) · USPC 244/35R (10) · USPC 244/45R (9) · DK 77 (8) · FR 6.2 (8) · USPC 244/48 (8) · DE 77 (8) · USPC 244/78.1 (8) · USPC 244/79 (8) · USPC 244/6 (8)
IPCs:
None (370) · IPC B64C17/00 (262) · IPC B64C1/00 (202) · IPC B64C39/00 (58) · IPC B64C17/06 (33) · IPC B64B1/00 (29) · IPC B64C23/00 (28) · IPC B64C13/00 (26) · IPC B64C3/38 (16) · IPC B64C27/04 (13) · IPC B64C33/02 (11) · IPC B64B1/40 (11) · IPC B64C33/00 (11) · IPC B64B1/58 (10) · IPC B64C3/00 (9) · IPC B64C9/00 (8) · IPC B64C11/00 (7) · IPC B64C3/14 (7) · IPC B64C3/54 (7)
CPCs:
CPC B64C17/00 (309) · None (172) · CPC B64C2700/6218 (109) · CPC B64C13/00 (60) · CPC B64C2700/6212 (57) · CPC B64C23/005 (44) · CPC B64C2700/6295 (44) · CPC B64C17/06 (41) · CPC B64C39/00 (37) · CPC B64B1/00 (35) · CPC B64C2700/6214 (33) · CPC B64C2700/6216 (30) · CPC B64C1/00 (25) · CPC B64C3/385 (25) · CPC B64C2700/6256 (23) · CPC B64C2700/6219 (22) · CPC B64C2700/6274 (19) · CPC B64C3/14 (16) · CPC B64C39/005 (16) · CPC B64B1/40 (15)
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