Inventor

William J. Dreyer

Inventor
Altadena, CA, US

Overview

14→
Patents
1976–1992
Patent span
Chemistry
Primary field (CPC C)

Patents· 14 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 properties24%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry10%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds10%
C40BCombinatorial chemistry10%
C08JWorking-up7%
Y10TTechnical subjects covered by former us classification7%
C12QMeasuring or testing processes involving enzymes, nucleic acids or microorganisms5%
H01JElectric discharge tubes or discharge lamps5%
A61KPreparations for medical, dental or toiletry purposes2%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1987Patents assigned to CALIFORNIA INST OF TECHN (10)· patent assignee history
1976–1982Based in Altadena, CA, US· patent location history
1977Patents assigned to DURRUM INSTR (1)· patent assignee history
1978–1992Patents assigned to DREYER WILLIAM J (3)· patent assignee history
1986–1992Based in Pasadena, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CALIFORNIA INST OF TECHN101976–1987
DREYER WILLIAM Jself31978–1992
DURRUM INSTR11977
Locations
LocationPatentsSpan
Altadena, California, US91976–1982
Pasadena, California, US51986–1992