Inventor · disambiguated record
Lee L. Sibik
Also filed as: SIBIK LEE · SIBIK LEE L · SIBIK LEE LOUIS
25 granted patents·2 pending applications·630 citations·filing 1994–2024
96Inventor score
Top patents by PatentIndex Score
27 records- 0193US9746228B2Methods and systems for controlling a chiller system having a centrifugal compressor with a variable speed driveTRANE INT INC·Filed 2014·Granted Aug 29, 2017·10 cites·9 claims
- 0292US6276152B1Chiller capacity control with variable chilled water flow compensationAMERICAN STANDARD INT INC·Filed 2000·Granted Aug 21, 2001·66 cites·19 claims
- 0392US6085532AChiller capacity control with variable chilled water flow compensationAMERICAN STANDARD INC·Filed 1999·Granted Jul 11, 2000·86 cites·14 claims
- 0491US9989943B2HVAC systems and controlsTRANE INT INC·Filed 2015·Granted Jun 5, 2018·6 cites·7 claims
- 0591US5950443ACompressor minimum capacity controlAMERICAN STANDARD INC·Filed 1997·Granted Sep 14, 1999·89 cites·12 claims
- 0690US10612827B2Chiller capacity control apparatuses, methods, and systemsTRANE INT INC·Filed 2015·Granted Apr 7, 2020·6 cites·16 claims
- 0787US6050098AUse of electronic expansion valve to maintain minimum oil flowAMERICAN STANDARD INC·Filed 1998·Granted Apr 18, 2000·70 cites·8 claims
- 0886US9523523B2System and method for managing fluid level in a HVAC systemTRANE INT INC·Filed 2013·Granted Dec 20, 2016·5 cites·18 claims
- 0985US10634405B2Methods and systems for controlling a chiller system having a centrifugal compressor with a variable speed driveTRANE INT INC·Filed 2017·Granted Apr 28, 2020·2 cites·14 claims
- 1084US10422559B2Refrigerant level management in heat exchangers of an HVAC chillerTRANE INT INC·Filed 2017·Granted Sep 24, 2019·2 cites·1 claims
- 1184US5632154AFeed forward control of expansion valveAMERICAN STANDARD INC·Filed 1995·Granted May 27, 1997·64 cites·24 claims
- 1284US5419146AEvaporator water temperature control for a chiller systemAMERICAN STANDARD INC·Filed 1994·Granted May 30, 1995·53 cites·19 claims
- 1383US9677795B2Refrigerant management in a HVAC systemTRANE INT INC·Filed 2013·Granted Jun 13, 2017·4 cites·22 claims
- 1481US5809794AFeed forward control of expansion valveAMERICAN STANDARD INC·Filed 1996·Granted Sep 22, 1998·55 cites·8 claims
- 1580US6266964B1Use of electronic expansion valve to maintain minimum oil flowAMERICAN STANDARD INT INC·Filed 2000·Granted Jul 31, 2001·30 cites·13 claims
- 1675US9823005B2Methods and systems for detecting and recovering from control instability caused by impeller stallTRANE INT INC·Filed 2014·Granted Nov 21, 2017·2 cites·14 claims
- 1762US9903626B2Fluid management in a HVAC systemTRANE INT INC·Filed 2016·Granted Feb 27, 2018·0 cites·17 claims
- 1862US6318117B1Absorption chiller with counter flow generatorAMERICAN STANDARD INT INC·Filed 2000·Granted Nov 20, 2001·13 cites·18 claims
- 1961US11085684B2System and method for unloading a multi-stage compressorTRANE INT INC·Filed 2019·Granted Aug 10, 2021·0 cites·14 claims
- 2061US2025257916A1Liquid level control of expansion valves in climate control systemsTRANE INT INC·Filed 2024·Application pending·0 cites
- 2159US5916251ASteam flow regulation in an absorption chillerGAS RES INST·Filed 1997·Granted Jun 29, 1999·22 cites·10 claims
- 2259US5586447AConcentration control in an absorption chillerGAS RES INST·Filed 1994·Granted Dec 24, 1996·25 cites·13 claims
- 2355US10619900B2Accumulator for charge managementTRANE INT INC·Filed 2017·Granted Apr 14, 2020·0 cites·18 claims
- 2447US12410929B2Rapid restart chiller systemTRANE INT INC·Filed 2022·Granted Sep 9, 2025·0 cites·9 claims
- 2544US5813241ACrytallization detection and recovery for two-stage absorption refrigeration machineGAS RES INST·Filed 1997·Granted Sep 29, 1998·11 cites·9 claims
- 2644US2021341190A1Hvacr purge system with adsorbent refrigerant separationTRANE INT INC·Filed 2021·Application pending·0 cites
- 2740US5848535AControl system having a binomial setpoint filterGAS RES INST·Filed 1997·Granted Dec 15, 1998·9 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →