Assignee
WEBER KNAPP CO
US·48 granted patents·2 pending applications·1,510 citations·filing 1975–2024
Top patents by PatentIndex Score
50 records- 0197US4625657AAdjustable keyboard supporting mechanismWEBER KNAPP CO·Filed 1984·Granted Dec 2, 1986·153 cites·17 claims
- 0296US6038986ABrake operational controlWEBER KNAPP CO·Filed 1998·Granted Mar 21, 2000·121 cites·10 claims
- 0394US6488248B1Keyboard mechanism tracking systemWEBER KNAPP CO·Filed 2000·Granted Dec 3, 2002·71 cites·11 claims
- 0494US3955241ACam operated spring biased counterbalance hinge mechanism for cabinet lid or the likeWEBER KNAPP CO·Filed 1975·Granted May 11, 1976·64 cites·10 claims
- 0589US4187578ACaster bracket and method of forming sameWEBER KNAPP CO·Filed 1978·Granted Feb 12, 1980·36 cites·3 claims
- 0688US4981085ATable lift mechanismWEBER KNAPP CO·Filed 1989·Granted Jan 1, 1991·69 cites·11 claims
- 0788US4568132AMotorized lift mechanismWEBER KNAPP CO·Filed 1984·Granted Feb 4, 1986·68 cites·9 claims
- 0887US4644875AAdjustable keyboard supporting mechanismWEBER KNAPP CO·Filed 1985·Granted Feb 24, 1987·69 cites·5 claims
- 0987US4184705AHood latchWEBER KNAPP CO·Filed 1978·Granted Jan 22, 1980·49 cites·5 claims
- 1083US6176456B1Keyboard support mechanismWEBER KNAPP CO·Filed 1998·Granted Jan 23, 2001·83 cites·40 claims
- 1183US4747353AStraight line motion mechanismWEBER KNAPP CO·Filed 1986·Granted May 31, 1988·71 cites·18 claims
- 1281US5791263AAdjustable work surfaceWEBER KNAPP CO·Filed 1995·Granted Aug 11, 1998·72 cites·24 claims
- 1381US5501420ACounterbalance mechanismWEBER KNAPP CO·Filed 1994·Granted Mar 26, 1996·55 cites·17 claims
- 1480US4215884ATouch latchWEBER KNAPP CO·Filed 1979·Granted Aug 5, 1980·38 cites·4 claims
- 1580US2024156300A1Cover or lid counterbalance assemblyWEBER KNAPP CO·Filed 2024·Application pending·0 cites
- 1679US11142934B2Counterbalance and method of making the sameWEBER KNAPP CO·Filed 2020·Granted Oct 12, 2021·1 cites·20 claims
- 1778US7455270B2Support arm mechanismWEBER KNAPP CO·Filed 2005·Granted Nov 25, 2008·15 cites·31 claims
- 1877US6382580B1Keyboard clamp tray assemblyWEBER KNAPP CO·Filed 2000·Granted May 7, 2002·27 cites·19 claims
- 1976US6688563B1Support for a mouse surfaceWEBER KNAPP CO·Filed 2002·Granted Feb 10, 2004·27 cites·20 claims
- 2073US6443075B1Safety interlock braking system for height adjustable tableWEBER KNAPP CO·Filed 2000·Granted Sep 3, 2002·27 cites·15 claims
- 2172US11910954B2Cover or lid counterbalance assemblyWEBER KNAPP CO·Filed 2021·Granted Feb 27, 2024·0 cites·15 claims
- 2272US4091502ACounterbalance mechanismWEBER KNAPP CO·Filed 1976·Granted May 30, 1978·29 cites·2 claims
- 2371US10221603B2Counterbalance and method of making the sameWEBER KNAPP CO·Filed 2017·Granted Mar 5, 2019·2 cites·20 claims
- 2470US11702877B2Counterbalance and method of making the sameWEBER KNAPP CO·Filed 2021·Granted Jul 18, 2023·0 cites·20 claims
- 2570US10822851B2Cover assembly with lid assist assembly and friction bearingWEBER KNAPP CO·Filed 2018·Granted Nov 3, 2020·4 cites·20 claims
- 2670US6098944AHolder for supporting a component below a supportWEBER KNAPP CO·Filed 1999·Granted Aug 8, 2000·40 cites·16 claims
- 2767US4307912AMultiple position reclining chair assemblyWEBER KNAPP CO·Filed 1980·Granted Dec 29, 1981·36 cites·9 claims
- 2867US3950819ALid counter-balance mechanismWEBER KNAPP CO·Filed 1975·Granted Apr 20, 1976·24 cites·4 claims
- 2963US12290206B2Pizza oven assembly for drum smokerWEBER KNAPP CO·Filed 2021·Granted May 6, 2025·0 cites·4 claims
- 3063US6021985AClamping mechanism for keyboard supportWEBER KNAPP CO·Filed 1998·Granted Feb 8, 2000·40 cites·13 claims
- 3162US5181620ACounterbalance mechanismWEBER KNAPP CO·Filed 1991·Granted Jan 26, 1993·20 cites·9 claims
- 3261US5797331ACounterbalanced table mechanismWEBER KNAPP CO·Filed 1997·Granted Aug 25, 1998·29 cites·10 claims
- 3360US6135404AKeyboard mounting mechanismWEBER KNAPP CO·Filed 1998·Granted Oct 24, 2000·32 cites·28 claims
- 3457US6257538B1Keyboard mounting mechanismWEBER KNAPP CO·Filed 1998·Granted Jul 10, 2001·27 cites·3 claims
- 3556USD306239SKeyboard supportWEBER KNAPP CO·Filed 1987·Granted Feb 27, 1990·7 cites·1 claims
- 3654US6912119B2Sliding keyboard tray setWEBER KNAPP CO·Filed 2003·Granted Jun 28, 2005·10 cites·20 claims
- 3752USD339703SKeyboard supportWEBER KNAPP CO·Filed 1990·Granted Sep 28, 1993·8 cites·1 claims
- 3851US10753135B2Counterbalance and method of making the sameWEBER KNAPP CO·Filed 2019·Granted Aug 25, 2020·0 cites·12 claims
- 3947US5915657AMonitor support mechanismWEBER KNAPP CO·Filed 1998·Granted Jun 29, 1999·18 cites·10 claims
- 4041US4210979AHingeWEBER KNAPP CO·Filed 1979·Granted Jul 8, 1980·9 cites·8 claims
- 4141US4178655ACounterbalance mechanismWEBER KNAPP CO·Filed 1978·Granted Dec 18, 1979·8 cites·5 claims
- 4240US5722624ALaptop computer supportWEBER KNAPP CO·Filed 1996·Granted Mar 3, 1998·15 cites·4 claims
- 4339US5180136ACounterbalance mechanismWEBER KNAPP CO·Filed 1991·Granted Jan 19, 1993·20 cites·8 claims
- 4438USD818342SCounterbalanceWEBER KNAPP CO·Filed 2016·Granted May 22, 2018·2 cites·1 claims
- 4538USD818341SCounterbalanceWEBER KNAPP CO·Filed 2016·Granted May 22, 2018·3 cites·1 claims
- 4637USD412894SKeyboard supportWEBER KNAPP CO·Filed 1998·Granted Aug 17, 1999·3 cites·1 claims
- 4733US4312097ACounterbalance supportWEBER KNAPP CO·Filed 1980·Granted Jan 26, 1982·6 cites·7 claims
- 4832US2013032682A1Scissor linkage mechanismWEBER KNAPP CO·Filed 2011·Application pending·0 cites
- 4927US4098288AAir logic control circuitWEBER KNAPP CO·Filed 1977·Granted Jul 4, 1978·1 cites·7 claims
- 5018USD517607SCombination document holder and writing surface mechanismWEBER KNAPP CO·Filed 2003·Granted Mar 21, 2006·1 cites·1 claims
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