Inventor · disambiguated record
Richard C. Polivka
Also filed as: POLIVKA RICHARD C · POLIVKA RICHARD CARL
11 granted patents·3 pending applications·246 citations·filing 1996–2012
92Inventor score
Files withINA ACQUISITION CORP5INSITUFORM NETHERLANDS BV5POLIVKA RICHARD CARL2DELANEY CHARLES1DRIVER FRANKLIN THOMAS1
Top patents by PatentIndex Score
14 records- 0188US9453597B2Air inversion and steam cure of cured in place liners apparatusINA ACQUISITION CORP·Filed 2012·Granted Sep 27, 2016·10 cites·32 claims
- 0285US8015695B2Reinstatement of an existing connection in a lined conduitINA ACQUISITION CORP·Filed 2007·Granted Sep 13, 2011·20 cites·4 claims
- 0383US6682668B1Installation of cured in place liners with an endless reusable inflation bladder and installation apparatusINSITUFORM NETHERLANDS BV·Filed 2000·Granted Jan 27, 2004·39 cites·28 claims
- 0481US5960882ADual-ended apparatus for cutting openings in lined conduitsINSITUFORM NETHERLANDS BV·Filed 1997·Granted Oct 5, 1999·52 cites·31 claims
- 0580US8820363B2Wedge type plug and method of plugging a lateral linePOLIVKA RICHARD CARL·Filed 2011·Granted Sep 2, 2014·14 cites·18 claims
- 0680US8038913B2Installation of cured in place liners with dual gland air inversion and steam cure apparatusINA ACQUISITION CORP·Filed 2009·Granted Oct 18, 2011·6 cites·15 claims
- 0778US6001212AMethod for lining of lateral pipelines with flow-through apparatusINSITUFORM NETHERLANDS BV·Filed 1996·Granted Dec 14, 1999·57 cites·12 claims
- 0864US6093363AMethod of lining pipelines with flow-through apparatus and linerINSITUFORM NETHERLANDS BV·Filed 1997·Granted Jul 25, 2000·25 cites·9 claims
- 0958US7866968B2Reusable inversion sleeve assembly for inversion of cured in place linersINA ACQUISITION CORP·Filed 2007·Granted Jan 11, 2011·1 cites·16 claims
- 1057US5736166AFlow-through apparatus for lining of pipelinesINSITUFORM NETHERLANDS BV·Filed 1996·Granted Apr 7, 1998·19 cites·8 claims
- 1156US8066499B2Dual gland air inversion and steam cure of cured in place linersDRIVER FRANKLIN THOMAS·Filed 2006·Granted Nov 29, 2011·3 cites·13 claims
- 1248US2009289451A1T-Nut Assembly For Sealing An Existing Connection In A Lined ConduitINA ACQUISITION CORP·Filed 2009·Application pending·0 cites
- 1339US2007029688A1Air inversion and steam cure of cured in place liners apparatus and methodDELANEY CHARLES·Filed 2006·Application pending·0 cites
- 1434US2012285763A1Robot for use in a passageway having an oblong sectionPOLIVKA RICHARD CARL·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →