Inventor

Peter Hoefer

Inventor
San Francisco, CA, US

Overview

15→
Patents
1980–2020
Patent span
Physics
Primary field (CPC G)

Patents· 15 as inventor

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

G01Rprimary
G01RMeasuring electric variables33%
G01NInvestigating or analysing materials by determining their chemical or physical properties24%
H01PWaveguides14%
G01QScanning-probe techniques or apparatus5%
G01VGeophysics5%
G02CSpectacles5%
LOCD25%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
Y10TTechnical subjects covered by former us classification5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1985Patents assigned to HOEFER SCIENTIFIC INSTR (5)· patent assignee history
1980–1986Based in San Francisco, CA, US· patent location history
1983–1986Patents assigned to HOEFER SCIENT INSTRUMENTS (2)· patent assignee history
1986Based in Aschaffenburg, DE· patent location history
1997–1998Patents assigned to BRUKER ANALYTISCHE MESSTECHNIK (2)· patent assignee history
1997–1998Based in Karlsruhe, DE· patent location history
2008–2020Patents assigned to BRUKER BIOSPIN GMBH (4)· patent assignee history
2008Patents assigned to ENGELKE FRANK (1)· patent assignee history
2008–2020Based in Ettlingen, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HOEFER SCIENTIFIC INSTR51980–1985
BRUKER BIOSPIN GMBH42008–2020
BRUKER ANALYTISCHE MESSTECHNIK21997–1998
HOEFER SCIENT INSTRUMENTS21983–1986
ENGELKE FRANK12008
Locations
LocationPatentsSpan
San Francisco, California, US71980–1986
Ettlingen, DE52008–2020
Karlsruhe, DE21997–1998
Aschaffenburg, DE11986