Featured patents

Direct Acting Clock Spring Counterbalanced Hinge Assembly
US 08615847 B2, Dec. 31, 2013, Gary W. Krajenke et al. / GM Global Technology Operations LLC (Detroit, US)
A counterbalanced hinge assembly comprising:…

Separated Type Hinge Apparatus With Return Function
US 08683655 B2, April 1, 2014, Chan Ho Hong
A separated type hinge apparatus with an automatic return function comprising:…

Patentorg has 2 documents under To Counterbalance Weight of Hinged Member Patents.

Other subcategories for category Miscellaneous hardware (e.g., bushing, carpet fastener, caster, door closer, panel hanger, attachable or adjunct handle, hinge, window sash balance, etc.)
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