Inventor

POLIVKA RICHARD C

US6 patents

⚠️ This page may combine multiple inventors who share the name “POLIVKA RICHARD C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

INA ACQUISITION CORP

4 patents

US8015695B2Sep 13, 2011

Reinstatement of an existing connection in a lined conduit

INA ACQUISITION CORP20 citations86

US9453597B2Sep 27, 2016

Air inversion and steam cure of cured in place liners apparatus

INA ACQUISITION CORP10 citations78

US8038913B2Oct 18, 2011

Installation of cured in place liners with dual gland air inversion and steam cure apparatus

INA ACQUISITION CORP6 citations68

US7866968B2Jan 11, 2011

Reusable inversion sleeve assembly for inversion of cured in place liners

INA ACQUISITION CORP1 citations49

INSITUFORM NETHERLANDS BV

1 patent

US6682668B1Jan 27, 2004

Installation of cured in place liners with an endless reusable inflation bladder and installation apparatus

INSITUFORM NETHERLANDS BV39 citations87

DRIVER FRANKLIN THOMAS

1 patent

US8066499B2Nov 29, 2011

Dual gland air inversion and steam cure of cured in place liners

DRIVER FRANKLIN THOMAS3 citations51