Inventor · disambiguated record
Roger Breakfield
Also filed as: BREAKFIELD ROGER · BREAKFIELD ROGER L
7 granted patents·6 pending applications·71 citations·filing 1999–2025
82Inventor score
Top patents by PatentIndex Score
13 records- 0182US7520925B2Filter and silencer with a quick disconnect lidSURE SEAL INC·Filed 2006·Granted Apr 21, 2009·12 cites·10 claims
- 0281US6952996B2Remotely operated manhole cover for a tankerCAPITAL FORMATION INC·Filed 2002·Granted Oct 11, 2005·30 cites·18 claims
- 0369USD1090791SFilter tube holding grommetSISK DAVID E·Filed 2022·Granted Aug 26, 2025·4 cites·1 claims
- 0460US12337269B2Vacuum filter assembly for processing bulk granular material and filter mounting assembly thereforeSISK DAVID E·Filed 2022·Granted Jun 24, 2025·0 cites·16 claims
- 0560US6182326B1Workshop dust collection apparatus and methodEMERSON ELECTRIC CO·Filed 1999·Granted Feb 6, 2001·25 cites·17 claims
- 0659US12115473B2Pressure and heat molded polymer tube with interlocking grommetBULK TANK INC·Filed 2022·Granted Oct 15, 2024·0 cites·20 claims
- 0757US12280327B2Vacuum filter assembly for cleansing air for use in transfer of bulk, granular material as in conveying vehiclesBULK TANK INC·Filed 2022·Granted Apr 22, 2025·0 cites·15 claims
- 0856US2025257802A1Automated bulk tank pressure exhaust valve with quick connect coupling and valve closed indicator lightBULK TANK INC·Filed 2025·Application pending·0 cites
- 0955US2025050797A1Cam and cam post assemblies for securing a filter canister tube plate on a support ringBULK TANK INC·Filed 2024·Application pending·0 cites
- 1054US2022176288A1Filter tube holding grommet for filtration systemSISK DAVID E·Filed 2021·Application pending·0 cites
- 1151US2025025820A1Vacuum filtration system for a dry bulk trailer and method of using the sameBULK TANK INC·Filed 2022·Application pending·0 cites
- 1244US2005248098A1Gasket for a coupler upon a rail car, tank trailer, or related meansSISK DAVID E·Filed 2005·Application pending·0 cites
- 1329US2011168934A1Ball valve for a tank trailerSISK GREG·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →