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Inventor

Richard L. Powell

Inventor
Tarporley, GB

Overview

41→
Patents
1976–2019
Patent span
Chemistry
Primary field (CPC C)

Patents· 41 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere27%
C07CAcyclic or carbocyclic compounds13%
B01DSeparation4%
C10MLubricating compositions4%
F25BRefrigeration machines, plants or systems4%
Y02PClimate change mitigation technologies in the production or processing of goods4%
Y10TTechnical subjects covered by former us classification4%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%
B82BNanostructures formed by manipulation of individual atoms, molecules, or limited collections of atoms or molecules as discrete units3%
B82YSpecific uses or applications of nanostructures3%
PatentTitleYear
10,253,233Non-ozone depleting and low global warming refrigerant blends20199,708,522'Refrigerant'20179,624,414'Refrigerant'20179,062,237'Refrigerant composition'20159,023,231'Non ozone depleting and low global warming potential refrigerants for low temperature refrigeration'20158,551,354'Refrigerant composition'20138,465,664'Refrigerant composition'20137,972,528'Refrigerant composition'20117,939,141'Method of production of fluorinated carbon nanostructures'20117,700,192'Fluorinated carbon nanostructures of CFx where 0.05<x<0.30'20106,991,743'Refrigerant for centrifugal compressors'20066,629,419'CFC 12 replacement refrigerant'20036,606,868'R 22 replacement refrigerant'20036,604,368'R 12 replacement refrigerant'20036,495,060'Refrigerant compositions'20026,437,201'Production of hydrofluoroalkanes'20026,224,847'Process for the extraction of a compound by a fluorocarbon compound'20016,183,661'Composition comprising a hydrofluoroalkane or hydrochlorofluoroalkane and a polyether lubricant'20016,117,356'Refrigerant compositions'20006,106,740'Non-azeotropic refrigerant composition of CO.sub.2, R-125, R-143a and R-22'20005,968,368'Purification process'19995,902,913'Production of hydrofluoroalkanes'19995,856,593'Process for the production of fluorine containing olefins'19995,824,225'Purification process'19985,756,868'Production of hydrofluorocarbons'19985,591,032'Laser weapon simulator apparatus with firing detection system'19975,495,056'Production of hydrofluorocarbons'19965,264,462'Polymeric foams'19935,254,775'Chemical process'19935,254,772'Chemical process'19935,113,013'Process for preparing fluorine-containing organic compounds'19924,942,203'Polymer compositions'19904,877,839'Fluorocopolymer compositions'19894,806,694'Polyols'19894,771,437'Integrated laser/FLIR rangefinder'19884,736,045'Process for fluorinating ethers'19884,585,569'Heat pumps'19864,561,775'Thermally integrated laser/FLIR rangefinder'19854,559,154'Heat pumps'19854,541,943'Heat pumps'19853,959,229'Textile treatments'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–2001Patents assigned to ICI PLC (20)· patent assignee history
1985–2006Based in Cheshire, GB· patent location history
1985–1988Based in Winsford, GB· patent location history
1989–2002Based in Tarporley, GB· patent location history
1999–2015Based in Bunbury, GB· patent location history
2006–2019Patents assigned to RPL HOLDINGS LTD (9)· patent assignee history
2010–2011Patents assigned to C TECH INNOVATION LTD (2)· patent assignee history
2013–2015Patents assigned to POOLE JOHN EDWARD (3)· patent assignee history
2013–2015Patents assigned to POWELL RICHARD (3)· patent assignee history
2017Based in Huntington, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ICI PLC201985–2001
RPL HOLDINGS LTD92006–2019
POOLE JOHN EDWARD32013–2015
POWELL RICHARDself32013–2015
C TECH INNOVATION LTD22010–2011
Locations
LocationPatentsSpan
Tarporley, GB121989–2002
Cheshire, GB111985–2006
Bunbury, GB61999–2015
Winsford, GB31985–1988
Huntington, GB22017