Inventor

William C. Knapp

Inventor

Kingston, CA

Overview

1991–2019

Patent span

Human necessities

Primary field (CPC A)

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

A61Bprimary

A61BDiagnosis17%

G01KMeasuring temperature17%

A61GTransport, personal conveyances, or accommodation specially adapted for patients or disabled persons8%

B01DSeparation8%

B05BSpraying apparatus8%

C01BNon-metallic elements8%

C02FTreatment of water, waste water, sewage, or sludge8%

C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals8%

F16KValves8%

G01NInvestigating or analysing materials by determining their chemical or physical properties8%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to DU PONT CANADA (1)· patent assignee history

1991Patents assigned to UNIV KINGSTON (1)· patent assignee history

1991–2019Based in Kingston, CA· patent location history

1995Patents assigned to MONITOR LABS INC (1)· patent assignee history

1995Based in Denver, CO, US· patent location history

1997Based in Menlo Park, CA, US· patent location history

2000–2001Patents assigned to HILL ROM CO INC (2)· patent assignee history

2019Patents assigned to BIO H2 GEN INC (1)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Locations