Inventor · disambiguated record
Bruce A. Fraser
Also filed as: FRASER BRUCE A · FRASER BRUCE ALLAN
30 granted patents·4 pending applications·473 citations·filing 1979–2022
97Inventor score
Top patents by PatentIndex Score
34 records- 0197US7255542B2Compressor with check valve orientated at angle relative to discharge tubeSCROLL TECH·Filed 2005·Granted Aug 14, 2007·35 cites·9 claims
- 0295US9051934B2Apparatus and method for oil equalization in multiple-compressor systemsFRASER BRUCE A·Filed 2014·Granted Jun 9, 2015·12 cites·5 claims
- 0389US6102680ASuction valve with release timing chamberCARRIER CORP·Filed 1998·Granted Aug 15, 2000·59 cites·6 claims
- 0486US9689386B2Method of active oil management for multiple scroll compressorsFRASER BRUCE A·Filed 2013·Granted Jun 27, 2017·4 cites·11 claims
- 0585US10495089B2Oil equalization configuration for multiple compressor systems containing three or more compressorsFRASER BRUCE A·Filed 2013·Granted Dec 3, 2019·3 cites·14 claims
- 0683US6739853B1Compact control mechanism for axial motion control valves in helical screw compressorsCARRIER CORP·Filed 2002·Granted May 25, 2004·22 cites·11 claims
- 0782US9939179B2Cascading oil distribution systemFRASER BRUCE A·Filed 2015·Granted Apr 10, 2018·2 cites·16 claims
- 0881US6309194B1Enhanced oil film dilation for compressor suction valve stress reductionCARRIER CORP·Filed 1997·Granted Oct 30, 2001·43 cites·6 claims
- 0979US5768901ARefrigerating system employing a compressor for single or multi-stage operation with capacity controlCARRIER CORP·Filed 1996·Granted Jun 23, 1998·48 cites·5 claims
- 1079US4236876AMultiple compressor systemCARRIER CORP·Filed 1979·Granted Dec 2, 1980·28 cites·5 claims
- 1178US8317494B2Compressor terminal platePILESKI PETER J·Filed 2005·Granted Nov 27, 2012·7 cites·21 claims
- 1278US6887052B1Scroll wrap tip with abradable selectively applied coating and load-bearing surfaceSCROLL TECH·Filed 2004·Granted May 3, 2005·16 cites·9 claims
- 1376US9777731B2Duct-mounted suction gas filterBESSEL KURT W R·Filed 2015·Granted Oct 3, 2017·2 cites·21 claims
- 1474US5016447AOil return for a two-stage compressor having interstage coolingCARRIER CORP·Filed 1990·Granted May 21, 1991·40 cites·4 claims
- 1571US10612549B2Oil equalization configuration for multiple compressor systems containing three or more compressorsFRASER BRUCE A·Filed 2019·Granted Apr 7, 2020·0 cites·10 claims
- 1670US10634137B2Suction header arrangement for oil management in multiple-compressor systemsFRASER BRUCE A·Filed 2013·Granted Apr 28, 2020·1 cites·34 claims
- 1767US6565336B1Normally unseated suction valveCARRIER CORP·Filed 1998·Granted May 20, 2003·25 cites·1 claims
- 1862US7179067B2Scroll compressor with wrap walls provided with an abradable coating and a load-bearing surface at radially outer locationsSCROLL TECH·Filed 2004·Granted Feb 20, 2007·8 cites·10 claims
- 1961US4432705ARefrigeration compressor capacity control means and methodCARRIER CORP·Filed 1980·Granted Feb 21, 1984·25 cites·5 claims
- 2060US4724928ASingle stage oil pump lubrication systemCARRIER CORP·Filed 1986·Granted Feb 16, 1988·17 cites·4 claims
- 2156US4389168AApparatus for modulating the capacity of a reciprocating compressorCARRIER CORP·Filed 1981·Granted Jun 21, 1983·13 cites·4 claims
- 2251US10760831B2Oil distribution in multiple-compressor systems utilizing variable speedFRASER BRUCE A·Filed 2016·Granted Sep 1, 2020·0 cites·20 claims
- 2351US2024212466A1Residential alarm system and methodFRASER BRUCE ALLAN·Filed 2022·Application pending·0 cites
- 2450US5591011AMulti-refrigerant compressorCARRIER CORP·Filed 1995·Granted Jan 7, 1997·15 cites·2 claims
- 2547US2009311119A1Screw Compressor Capacity ControlCARRIER CORP·Filed 2007·Application pending·0 cites
- 2646US6468060B1Oil film dilation for compressor suction valve stress reductionCARRIER CORP·Filed 1998·Granted Oct 22, 2002·11 cites·7 claims
- 2746US2010209280A1Screw compressor pulsation damperCARRIER CORP·Filed 2007·Application pending·0 cites
- 2845US2010135839A1Screw compressor with integral bearing cover and discharge plenum dividerFRASER BRUCE A·Filed 2006·Application pending·0 cites
- 2941US4938666AStaged unloading of cylinder bankCARRIER CORP·Filed 1988·Granted Jul 3, 1990·8 cites·10 claims
- 3038US6099275ABiased open suction valveCARRIER CORP·Filed 1998·Granted Aug 8, 2000·8 cites·3 claims
- 3138US5211542AMethod and apparatus for oil sump pressure controlCARRIER CORP·Filed 1992·Granted May 18, 1993·7 cites·3 claims
- 3237US5111737AWrist pin retainer for blind assemblyCARRIER CORP·Filed 1991·Granted May 12, 1992·10 cites·3 claims
- 3334US4623326ACentrifugal contaminant separation for a lubricating systemCARRIER CORP·Filed 1985·Granted Nov 18, 1986·4 cites·4 claims
- 3426US5295815AOil inlet feedCARRIER CORP·Filed 1993·Granted Mar 22, 1994·0 cites·3 claims
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