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Inventor

James H. Crabtree

Inventor
Long Beach, CA, US

Overview

3→
Patents
1988–1999
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties75%
G01FMeasuring volume, volume flow, mass flow or liquid level25%
PatentTitleYear
5,939,612'Retention time-locked spectral database for target analyte analysis'19994,909,078'Fluid flow detector'19904,741,198'Thermal conductivity detector assembly'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988Patents assigned to BECKMAN IND CORP (1)· patent assignee history
1988–1999Based in Long Beach, CA, US· patent location history
1990Patents assigned to ROSEMOUNT INC (1)· patent assignee history
1999Patents assigned to HEWLETT PACKARD CO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BECKMAN IND CORP11988
HEWLETT PACKARD CO11999
ROSEMOUNT INC11990
Locations
LocationPatentsSpan
Long Beach, California, US31988–1999