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Richard B. Hopewell
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Medfield, MA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Dehydrogenation separation unit with mixed refrigerant cooling
Patent number
12,092,392
Issue date
Sep 17, 2024
Chart Energy & Chemicals, Inc.
Douglas A. Ducote
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Dehydrogenation separation unit with mixed refrigerant cooling
Patent number
11,629,912
Issue date
Apr 18, 2023
Chart Energy & Chemicals, Inc.
Douglas A. Ducote
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
System and process for the recovery of propylene and ethylene from...
Patent number
6,308,532
Issue date
Oct 30, 2001
Chart Industries, Inc.
Richard B. Hopewell
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Single column distillative separation employing bottom additives
Patent number
5,345,772
Issue date
Sep 13, 1994
Process Systems International, Inc.
Richard B. Hopewell
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the recovery of a light hydrocarbon fraction from marin...
Patent number
5,315,832
Issue date
May 31, 1994
Process System International, Inc.
Richard B. Hopewell
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for prevention of water build-up in cryogenic distillation...
Patent number
4,717,408
Issue date
Jan 5, 1988
Koch Process Systems, Inc.
Richard B. Hopewell
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process for the separation of landfill gas
Patent number
4,681,612
Issue date
Jul 21, 1987
Koch Process Systems, Inc.
John V. O'Brien
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Dehydration Separation Unit with Mixed Refrigerant Cooling
Publication number
20240410647
Publication date
Dec 12, 2024
Chart Energy & Chemicals, Inc.
Douglas A. Ducote
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Nitrogen Rejection Unit System and Method for Low Nitrogen Concentr...
Publication number
20240401877
Publication date
Dec 5, 2024
Chart Energy & Chemicals, Inc.
Richard B. Hopewell
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Dehydrogenation Separation Unit with Mixed Refrigerant Cooling
Publication number
20220228802
Publication date
Jul 21, 2022
Chart Energy & Chemicals, Inc.
Douglas A. Ducote
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Dehydrogenation Separation Unit with Mixed Refrigerant Cooling
Publication number
20210148632
Publication date
May 20, 2021
Chart Energy & Chemicals, Inc.
Douglas A. Ducote
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
High ethane recovery from a ryan/holmes additive recovery column
Publication number
20030047492
Publication date
Mar 13, 2003
Richard B. Hopewell
C07 - ORGANIC CHEMISTRY