Inventor

Kevin White

Inventor

Richmond, VA, US

Overview

1987–2019

Patent span

Fixed constructions

Primary field (CPC E)

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

E21Bprimary

E21BEarth or rock drilling21%

F04BPositive-displacement machines for liquids14%

A01NPreservation of bodies of humans or animals or plants or parts thereof7%

A61BDiagnosis7%

A61LMethods or apparatus for sterilising materials or objects in general7%

C01BNon-metallic elements7%

C02FTreatment of water, waste water, sewage, or sludge7%

E03BInstallations or methods for obtaining, collecting, or distributing water7%

F17DPipe-line systems7%

F24HFluid heaters, e.g. water or air heaters, having heat-generating means, e.g. heat pumps, in general7%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1987–1989Patents assigned to HALLIBURTON CO (3)· patent assignee history

1987–1988Based in Jupiter, FL, US· patent location history

1989Based in Tequesta, FL, US· patent location history

2018–2019Patents assigned to CHEMTREAT INC (3)· patent assignee history

2018–2019Based in Richmond, VA, US· patent location history

2019Patents assigned to METREX RES LLC (1)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Locations