Inventor · disambiguated record
Keith R. Ptak
Also filed as: PTAK KEITH · PTAK KEITH R
13 granted patents·12 pending applications·138 citations·filing 1996–2020
90Inventor score
Top patents by PatentIndex Score
25 records- 0193US6397988B1Pivoting vibration absorber including a torsional spring and pipeline system utilizing sameLORD CORP·Filed 2000·Granted Jun 4, 2002·56 cites·25 claims
- 0290US7788808B1Method of making an equipment engine mounting systemLORD CORP·Filed 2006·Granted Sep 7, 2010·18 cites·4 claims
- 0382US9879753B2Rotary dampers, systems, and related methodsLORD CORP·Filed 2014·Granted Jan 30, 2018·7 cites·29 claims
- 0477US11761271B2Lateral isolatorLORD CORP·Filed 2020·Granted Sep 19, 2023·2 cites·20 claims
- 0573US10422442B2Method for suppression of resonant vibrations in subsea pipelinesLORD CORP·Filed 2014·Granted Sep 24, 2019·3 cites·15 claims
- 0662US7566099B2Furniture seatback tilt recline angle limiter and methodLORD CORP·Filed 2003·Granted Jul 28, 2009·16 cites·23 claims
- 0761US10487882B2Mud motor transmissionLORD CORP·Filed 2014·Granted Nov 26, 2019·1 cites·9 claims
- 0860US9957769B2Elevated temperature riser bearingLORD CORP·Filed 2014·Granted May 1, 2018·2 cites·21 claims
- 0951US2010296869A1Powered construction ground compactor and method of makingCATANZARITE DAVID M·Filed 2009·Application pending·0 cites
- 1049US2016251910A1Riser bearing with high shape factorLORD CORP·Filed 2014·Application pending·0 cites
- 1149US2011169204A1construction vehicle cab suspension surface effect liquid mountLORD CORP·Filed 2009·Application pending·0 cites
- 1247US5915657AMonitor support mechanismWEBER KNAPP CO·Filed 1998·Granted Jun 29, 1999·18 cites·10 claims
- 1345US10598305B2Flexible pipe jointLORD CORP·Filed 2016·Granted Mar 24, 2020·0 cites·18 claims
- 1444US2016273280A1Improved riser tensioner bearing systemLORD CORP·Filed 2014·Application pending·0 cites
- 1543US11009161B2Flexible joint and method of manufacturing flexible jointLORD CORP·Filed 2015·Granted May 18, 2021·0 cites·20 claims
- 1642US2016069502A1Support linerMACIAK JAMES A·Filed 2014·Application pending·0 cites
- 1741US2009289472A1Construction vehicle cab suspension mountCATANZARITE DAVID M·Filed 2009·Application pending·0 cites
- 1840US8403287B2Engine mounting systemPTAK KEITH R·Filed 2010·Granted Mar 26, 2013·0 cites·11 claims
- 1940US5722624ALaptop computer supportWEBER KNAPP CO·Filed 1996·Granted Mar 3, 1998·15 cites·4 claims
- 2040US2007067929A1Bridge with minimized excited bridge vibrationsPTAK KEITH R·Filed 2006·Application pending·0 cites
- 2140US2008265478A1Wind turbine systems dampersSMITH TYN·Filed 2008·Application pending·0 cites
- 2238US2015167399A1Coupling and mud motor transmissionLORD CORP·Filed 2013·Application pending·0 cites
- 2338US2002133904A1Door closerLORD CORP·Filed 2001·Application pending·0 cites
- 2437US2016376874A1Gimbal bearing system and methodLORD CORP·Filed 2014·Application pending·0 cites
- 2536US2016053557A1Torsional isolatorWHITEFORD GERALD P·Filed 2014·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →