Assignee
CHESTERTON A W CO
US·84 granted patents·13 pending applications·1,852 citations·filing 1976–2025
Top patents by PatentIndex Score
97 records- 0196US4576384ASplit mechanical face sealCHESTERTON A W CO·Filed 1985·Granted Mar 18, 1986·82 cites·19 claims
- 0295US7708283B2Mechanical seal assemblyCHESTERTON A W CO·Filed 2006·Granted May 4, 2010·33 cites·11 claims
- 0393US11608898B2Externally energized secondary seals in split mechanical sealsCHESTERTON A W CO·Filed 2021·Granted Mar 21, 2023·3 cites·13 claims
- 0492US12152677B2System and method for optimizing a fluid environment in split mechanical sealsCHESTERTON A W CO·Filed 2023·Granted Nov 26, 2024·2 cites·17 claims
- 0592US6210103B1Rotary seal and/or bearingCHESTERTON A W CO·Filed 1998·Granted Apr 3, 2001·94 cites·19 claims
- 0692US5571268AUniversal split mechanical sealCHESTERTON A W CO·Filed 1993·Granted Nov 5, 1996·74 cites·30 claims
- 0791US5225262ABraided high-temperature packing comprising a core of folded flexible graphite sheetCHESTERTON A W CO·Filed 1991·Granted Jul 6, 1993·82 cites·12 claims
- 0889US9546734B2Self aligning split mechanical seal employing a selectively engageable axial biasing assemblyCHESTERTON A W CO·Filed 2013·Granted Jan 17, 2017·11 cites·44 claims
- 0989US9366340B2Non-contacting labyrinth seal assemblyCHESTERTON A W CO·Filed 2014·Granted Jun 14, 2016·8 cites·19 claims
- 1089US5827042ASeal/bearing assemblyCHESTERTON A W CO·Filed 1996·Granted Oct 27, 1998·76 cites·49 claims
- 1189US4439096AImpeller adjuster for centrifugal pumpCHESTERTON A W CO·Filed 1982·Granted Mar 27, 1984·63 cites·4 claims
- 1288US6557856B1Split mechanical face sealCHESTERTON A W CO·Filed 2000·Granted May 6, 2003·29 cites·7 claims
- 1388US6386547B2Dual non-contacting mechanical face seal having concentric seal facesCHESTERTON A W CO·Filed 2000·Granted May 14, 2002·27 cites·16 claims
- 1487US9388903B2Methods and apparatuses for producing a compression packing seal including a dual-sided braided jacket and methods of using the sameCHESTERTON A W CO·Filed 2013·Granted Jul 12, 2016·8 cites·23 claims
- 1586US4625977AConvertible, stand-by rotary seal assemblyCHESTERTON A W CO·Filed 1985·Granted Dec 2, 1986·46 cites·13 claims
- 1684US11608896B2Multiple component seal assemblyCHESTERTON A W CO·Filed 2020·Granted Mar 21, 2023·8 cites·14 claims
- 1784US10352457B2Self aligning split mechanical seal employing a rotary seal ring having non-flat end facesCHESTERTON A W CO·Filed 2013·Granted Jul 16, 2019·8 cites·5 claims
- 1881US6726220B2Dual seal assemblyCHESTERTON A W CO·Filed 2002·Granted Apr 27, 2004·22 cites·12 claims
- 1980US6076830ADual non-contacting mechanical face seal having concentric seal facesCHESTERTON A W CO·Filed 1998·Granted Jun 20, 2000·33 cites·69 claims
- 2080US5800120APump impeller with adjustable bladesCHESTERTON A W CO·Filed 1996·Granted Sep 1, 1998·52 cites·15 claims
- 2180US5344291AMotor pump power end interconnectCHESTERTON A W CO·Filed 1993·Granted Sep 6, 1994·50 cites·16 claims
- 2279US6935632B2Automatically disengaging spacing mechanism for a mechanical sealCHESTERTON A W CO·Filed 2003·Granted Aug 30, 2005·22 cites·43 claims
- 2378US5913520ACentering devices for a split mechanical sealCHESTERTON A W CO·Filed 1997·Granted Jun 22, 1999·30 cites·7 claims
- 2476US7708285B2Elastomer spring mechanical sealCHESTERTON A W CO·Filed 2005·Granted May 4, 2010·8 cites·11 claims
- 2576US5725220ASecuring and centering devices for a split mechanical sealCHESTERTON A W CO·Filed 1995·Granted Mar 10, 1998·29 cites·5 claims
- 2675US6761359B2Spacing element for centering components in a mechanical seal and for promoting circulation of a seal fluid thereinCHESTERTON A W CO·Filed 2001·Granted Jul 13, 2004·16 cites·49 claims
- 2775US6059293ASplit mechanical face seal with seal face fluid introducing structureCHESTERTON A W CO·Filed 1997·Granted May 9, 2000·38 cites·16 claims
- 2875US4691927ATemperature-compensating mechanical face sealCHESTERTON A W CO·Filed 1986·Granted Sep 8, 1987·41 cites·11 claims
- 2974US4572517ALabyrinth ring seals with housing mounting meansCHESTERTON A W CO·Filed 1985·Granted Feb 25, 1986·32 cites·13 claims
- 3074US2025361938A1System and method for automatically energizing packing material with a packing loading assemblyCHESTERTON A W CO·Filed 2025·Application pending·0 cites
- 3173US12331836B2System and method for automatically energizing packing material with a packing loading assemblyCHESTERTON A W CO·Filed 2023·Granted Jun 17, 2025·0 cites·21 claims
- 3273US4100835ABraided packingCHESTERTON A W CO·Filed 1976·Granted Jul 18, 1978·15 cites·9 claims
- 3372US7097176B2Balanced mechanical seal assemblyCHESTERTON A W CO·Filed 2004·Granted Aug 29, 2006·14 cites·18 claims
- 3472US5544897ACartridge seal having a high contact pressure seal and means for intersleeve adjustment including quench fluid deliveryCHESTERTON A W CO·Filed 1993·Granted Aug 13, 1996·40 cites·22 claims
- 3572US2024280190A1Packing material cartridgeCHESTERTON A W CO·Filed 2023·Application pending·0 cites
- 3671US5938205AMethod and apparatus for optimizing barrier fluid flow for promoting cool running of a cartridge dual sealCHESTERTON A W CO·Filed 1997·Granted Aug 17, 1999·37 cites·47 claims
- 3771US5456286AShaft seal coolant flow controlCHESTERTON A W CO·Filed 1994·Granted Oct 10, 1995·32 cites·21 claims
- 3871US4239245APacking seals and method of makingCHESTERTON A W CO·Filed 1979·Granted Dec 16, 1980·33 cites·9 claims
- 3970US5333882ABalanced mechanical seal assembly and flow ring thereforCHESTERTON A W CO·Filed 1992·Granted Aug 2, 1994·31 cites·13 claims
- 4069US6685191B2Mechanical seal for rotating shaftCHESTERTON A W CO·Filed 2001·Granted Feb 3, 2004·23 cites·20 claims
- 4169US6116609AFluidic feedback pressure regulation system for a mechanical sealCHESTERTON A W CO·Filed 1998·Granted Sep 12, 2000·30 cites·62 claims
- 4269US4863177ASplit labyrinth sealCHESTERTON A W CO·Filed 1988·Granted Sep 5, 1989·29 cites·5 claims
- 4368US9810324B2Methods and apparatuses for producing a braided dual-sided compression packing seal and methods of using the sameCHESTERTON A W CO·Filed 2012·Granted Nov 7, 2017·1 cites·31 claims
- 4468US6131912ASplit mechanical face sealCHESTERTON A W CO·Filed 1997·Granted Oct 17, 2000·24 cites·37 claims
- 4568US2026043476A1Mechanical packing cartridge having a spiral packing element for use with a fluid regulating deviceCHESTERTON A W CO·Filed 2025·Application pending·0 cites
- 4667US5711532ASecuring and centering devices for a split mechanical sealCHESTERTON A W CO·Filed 1993·Granted Jan 27, 1998·21 cites·9 claims
- 4766US11237080B2Mechanical seal with integrated RFID sensorCHESTERTON A W CO·Filed 2019·Granted Feb 1, 2022·2 cites·6 claims
- 4866US4333380AMethod for making braided packingCHESTERTON A W CO·Filed 1981·Granted Jun 8, 1982·11 cites·6 claims
- 4965US4973065ASeal assemblyCHESTERTON A W CO·Filed 1989·Granted Nov 27, 1990·27 cites·6 claims
- 5065US4406465ACentrifugal pumpCHESTERTON A W CO·Filed 1982·Granted Sep 27, 1983·19 cites·8 claims
Showing the top 50 of 97 patent records by PatentIndex Score.
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