Inventor · disambiguated record
Richard Hopewell
Also filed as: HOPEWELL RICHARD · HOPEWELL RICHARD B
8 granted patents·4 pending applications·306 citations·filing 1986–2024
87Inventor score
Files withCHART ENERGY & CHEMICALS INC6KOCH PROCESS SYSTEMS INC2CHART IND INC1PROCESS SYSTEM INTERNATIONAL I1PROCESS SYSTEMS INTERNATIONAL1
Top patents by PatentIndex Score
12 records- 0196US4681612AProcess for the separation of landfill gasKOCH PROCESS SYSTEMS INC·Filed 1986·Granted Jul 21, 1987·186 cites·31 claims
- 0287US2024410647A1Dehydration Separation Unit with Mixed Refrigerant CoolingCHART ENERGY & CHEMICALS INC·Filed 2024·Application pending·0 cites
- 0385US4717408AProcess for prevention of water build-up in cryogenic distillation columnKOCH PROCESS SYSTEMS INC·Filed 1986·Granted Jan 5, 1988·46 cites·20 claims
- 0479US11629912B2Dehydrogenation separation unit with mixed refrigerant coolingCHART ENERGY & CHEMICALS INC·Filed 2022·Granted Apr 18, 2023·0 cites·20 claims
- 0578US6308532B1System and process for the recovery of propylene and ethylene from refinery offgasesCHART IND INC·Filed 1999·Granted Oct 30, 2001·42 cites·24 claims
- 0677US2023113414A1Dehydrogenation Separation Unit with Mixed Refrigerant CoolingCHART ENERGY & CHEMICALS INC·Filed 2022·Application pending·0 cites
- 0776US5345772ASingle column distillative separation employing bottom additivesPROCESS SYSTEMS INTERNATIONAL·Filed 1993·Granted Sep 13, 1994·17 cites·17 claims
- 0873US12092392B2Dehydrogenation separation unit with mixed refrigerant coolingCHART ENERGY & CHEMICALS INC·Filed 2020·Granted Sep 17, 2024·0 cites·26 claims
- 0969US11543181B2Dehydrogenation separation unit with mixed refrigerant coolingCHART ENERGY & CHEMICALS INC·Filed 2019·Granted Jan 3, 2023·0 cites·16 claims
- 1068US2024401877A1Nitrogen Rejection Unit System and Method for Low Nitrogen Concentration FeedsCHART ENERGY & CHEMICALS INC·Filed 2024·Application pending·0 cites
- 1144US5315832AProcess for the recovery of a light hydrocarbon fraction from marine loading operationsPROCESS SYSTEM INTERNATIONAL I·Filed 1993·Granted May 31, 1994·15 cites·17 claims
- 1236US2003047492A1High ethane recovery from a ryan/holmes additive recovery columnFiled 2002·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Richard Hopewell files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →