Inventor
William J. Dean
Inventor
Katy, TX, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling24%
F25DRefrigerators19%
F24FAir-conditioning14%
F25BRefrigeration machines, plants or systems14%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution14%
C09KMaterials for miscellaneous applications, not provided for elsewhere5%
H02JElectric power networks5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
PatentTitleYear
10,584,273Use of solid surfactant composites in well spacer fluids20207,516,790'Mono-diameter wellbore casing'20097,172,021'Liner hanger with sliding sleeve valve'20077,048,067'Wellbore casing repair'20066,976,541'Liner hanger with sliding sleeve valve'20055,682,752'Refrigerant management control and method for a thermal energy storage system'19975,467,812'Air conditioning system with thermal energy storage and load leveling capacity'19955,307,642'Refrigerant management control and method for a thermal energy storage system'19945,211,029'Combined multi-modal air conditioning apparatus and negative energy storage system'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–1997Patents assigned to LENNOX IND INC (4)· patent assignee history
1993–1995Based in Grapevine, TX, US· patent location history
1997Based in Oklahoma City, OK, US· patent location history
2005–2007Patents assigned to SHELL OIL CO (3)· patent assignee history
2005–2020Based in Katy, TX, US· patent location history
2009Patents assigned to ENVENTURE GLOBAL TECHNOLOGY (1)· patent assignee history
2020Patents assigned to HALLIBURTON ENERGY SERVICES INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LENNOX IND INC | 4 | 1993–1997 |
| SHELL OIL CO | 3 | 2005–2007 |
| ENVENTURE GLOBAL TECHNOLOGY | 1 | 2009 |
| HALLIBURTON ENERGY SERVICES INC | 1 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Katy, Texas, US | 5 | 2005–2020 |
| Grapevine, Texas, US | 3 | 1993–1995 |
| Oklahoma City, OK, US | 1 | 1997 |