Assignee
RUPPRECHT & PATASHNICK CO
US·25 granted patents·2 pending applications·817 citations·filing 1986–2005
Top patents by PatentIndex Score
27 records- 0192US5553507AAirborne particulateRUPPRECHT & PATASHNICK CO·Filed 1995·Granted Sep 10, 1996·148 cites·37 claims
- 0287US6439027B1Particulate mass measurement apparatus with real-time moisture monitorRUPPRECHT & PATASHNICK CO·Filed 2000·Granted Aug 27, 2002·42 cites·24 claims
- 0385US5717147AAir sampler filter cassette carrierRUPPRECHT & PATASHNICK CO·Filed 1996·Granted Feb 10, 1998·66 cites·5 claims
- 0484US5279970ACarbon particulate monitor with preseparatorRUPPRECHT & PATASHNICK CO·Filed 1992·Granted Jan 18, 1994·42 cites·21 claims
- 0582US6867413B2High-flow rate, low-noise, gas sampling apparatus and methods for collecting and detecting particulate in a gasRUPPRECHT & PATASHNICK CO·Filed 2002·Granted Mar 15, 2005·18 cites·30 claims
- 0681US6502450B1Single detector differential particulate mass monitor with intrinsic correction for volatilization lossesRUPPRECHT & PATASHNICK CO·Filed 2000·Granted Jan 7, 2003·18 cites·18 claims
- 0781US6138521ASequential air sampler with automatic sample collector changerRUPPRECHT & PATASHNICK CO·Filed 1999·Granted Oct 31, 2000·48 cites·16 claims
- 0879US6422060B1Gas stream conditioning apparatus, system and method for use in measuring particulate matterRUPPRECHT & PATASHNICK CO·Filed 2000·Granted Jul 23, 2002·16 cites·1 claims
- 0979US6205842B1Differential particulate mass monitor with intrinsic correction for volatilization lossesRUPPRECHT & PATASHNICK CO·Filed 1999·Granted Mar 27, 2001·40 cites·38 claims
- 1077US5898114AAir sampler filter cassette carrierRUPPRECHT & PATASHNICK CO·Filed 1998·Granted Apr 27, 1999·40 cites·4 claims
- 1177US5110747ADiesel particulate monitorRUPPRECHT & PATASHNICK CO·Filed 1990·Granted May 5, 1992·57 cites·32 claims
- 1273US6898990B2Sampling cartridge for gas sampling apparatusRUPPRECHT & PATASHNICK CO·Filed 2004·Granted May 31, 2005·9 cites·4 claims
- 1372US6651480B2Particulate mass measuring method with intrinsic correction for volatilization lossesRUPPRECHT & PATASHNICK CO·Filed 2002·Granted Nov 25, 2003·8 cites·2 claims
- 1472US5196170ACarbon particulate monitorRUPPRECHT & PATASHNICK CO·Filed 1992·Granted Mar 23, 1993·35 cites·7 claims
- 1572US4696181ADecoupling suspension system for an oscillating element microbalanceRUPPRECHT & PATASHNICK CO·Filed 1986·Granted Sep 29, 1987·26 cites·18 claims
- 1671US6023982ASequential air sampler with automatic sample collector changerRUPPRECHT & PATASHNICK CO·Filed 1998·Granted Feb 15, 2000·32 cites·24 claims
- 1768US6761752B2Gas particle partitionerRUPPRECHT & PATASHNICK CO·Filed 2002·Granted Jul 13, 2004·22 cites·22 claims
- 1867US6151953AGas stream conditioning apparatus, system and method for use in measuring particulate matterRUPPRECHT & PATASHNICK CO·Filed 1998·Granted Nov 28, 2000·27 cites·47 claims
- 1967US6016688AIn-stack direct particulate mass measurement apparatus and method with pressure/flow compensationRUPPRECHT & PATASHNICK CO·Filed 1998·Granted Jan 25, 2000·32 cites·25 claims
- 2066US5401468ADual flow path carbon particulate monitorRUPPRECHT & PATASHNICK CO·Filed 1994·Granted Mar 28, 1995·24 cites·11 claims
- 2165US6769316B2Sampling cartridge for gas sampling apparatusRUPPRECHT & PATASHNICK CO·Filed 2003·Granted Aug 3, 2004·5 cites·20 claims
- 2264US5970781AIn-stack direct particulate mass measurement apparatus and methodRUPPRECHT & PATASHNICK CO·Filed 1998·Granted Oct 26, 1999·27 cites·35 claims
- 2360US4838371AConstrained linear motion inertial balanceRUPPRECHT & PATASHNICK CO·Filed 1988·Granted Jun 13, 1989·15 cites·21 claims
- 2452US5488203AForce compensator for inertial mass measurement instrumentRUPPRECHT & PATASHNICK CO·Filed 1993·Granted Jan 30, 1996·14 cites·19 claims
- 2550US2006117872A1High-flow rate, low-noise, gas sampling apparatus and methods for collecting particulate in a gasRUPPRECHT & PATASHNICK CO·Filed 2005·Application pending·0 cites
- 2649US2005160839A1Sampling cartridge for gas sampling apparatusRUPPRECHT & PATASHNICK CO·Filed 2005·Application pending·0 cites
- 2740US4836314ANovel glass elements for use in balancesRUPPRECHT & PATASHNICK CO·Filed 1988·Granted Jun 6, 1989·6 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when RUPPRECHT & PATASHNICK CO files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →