Inventor

Gerhard Pfeifer

Inventor
Solms, DE

Overview

16→
Patents
1984–2020
Patent span
Physics
Primary field (CPC G)

Patents· 16 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus32%
G01NInvestigating or analysing materials by determining their chemical or physical properties23%
G01MTesting static or dynamic balance of machines or structures6%
Y10TTechnical subjects covered by former us classification6%
A23KFodder3%
C11CFatty acids from fats, oils or waxes3%
F16CShafts3%
F23DBurners3%
G01BMeasuring length, thickness or similar linear dimensions3%
G01DMeasuring not specially adapted for a specific variable3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984Patents assigned to LEITZ ERNST GMBH (1)· patent assignee history
1984–2008Based in Solms, DE· patent location history
1998Patents assigned to LEICA MIKROSKOPIE & SYST (1)· patent assignee history
2005–2015Patents assigned to LEICA MICROSYSTEMS (9)· patent assignee history
2012–2020Patents assigned to PFEIFER GERHARD (5)· patent assignee history
2012–2015Based in Wetzlar, DE· patent location history
2015–2016Patents assigned to ANTON PAAR GMBH (2)· patent assignee history
2015–2016Based in Gratkorn, AT· patent location history
2019–2020Based in Johannesberg, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LEICA MICROSYSTEMS92005–2015
PFEIFER GERHARDself52012–2020
ANTON PAAR GMBH22015–2016
LEICA MIKROSKOPIE & SYST11998
LEITZ ERNST GMBH11984
Locations
LocationPatentsSpan
Solms, DE91984–2008
Wetzlar, DE32012–2015
Johannesberg, DE22019–2020
Gratkorn, AT22015–2016