Inventor
Ruth A. Davis
Inventor
Allentown, PA, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds17%
Y02PClimate change mitigation technologies in the production or processing of goods17%
C01BNon-metallic elements13%
F25JLiquefaction, solidification or separation of gases or gaseous or liquefied gaseous mixtures by pressure and cold treatment or by bringing them into the supercritical state13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
B01DSeparation4%
C01CAmmonia4%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds4%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties4%
C10GCracking hydrocarbon oils4%
PatentTitleYear
9,556,026'Hydrogen production process for cold climates'20178,664,459'Process for hydrogenating olefins'20145,011,670'Integrated reformer process for the production of carbon black'19914,857,082'Membrane unit turn-down control system'19894,732,598'Dephlegmator process for nitrogen rejection from natural gas'19884,662,919'Nitrogen rejection fractionation system for variable nitrogen content natural gas'19874,504,295'Nitrogen rejection from natural gas integrated with NGL recovery'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–2017Patents assigned to AIR PROD & CHEM (7)· patent assignee history
1985Based in Whitehall, PA, US· patent location history
1987–2017Based in Allentown, PA, US· patent location history
2014Patents assigned to DAVIS RUTH A (1)· patent assignee history
2014Patents assigned to JOHNSON MATTHEY PLC (1)· patent assignee history
2014Patents assigned to MACLEOD NORMAN (1)· patent assignee history
2014Patents assigned to WILSON GORDON EDWARD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AIR PROD & CHEM | 7 | 1985–2017 |
| DAVIS RUTH Aself | 1 | 2014 |
| JOHNSON MATTHEY PLC | 1 | 2014 |
| MACLEOD NORMAN | 1 | 2014 |
| WILSON GORDON EDWARD | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Allentown, Pennsylvania, US | 6 | 1987–2017 |
| Whitehall, Pennsylvania, US | 1 | 1985 |