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Inventor

David C. Koller

Inventor
Albuquerque, NM, US

Overview

5→
Patents
1986–2019
Patent span
Electricity
Primary field (CPC H)

Patents· 5 as inventor

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

B65Dprimary
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers17%
G01GWeighing17%
H01PWaveguides17%
H02HEmergency protective circuit arrangements17%
H03FAmplifiers17%
H03KPulse technique17%
PatentTitleYear
10,240,968Differential measurement circuit, and balance with force compensation20199,708,096'Self-opening closure with optimized force transmission'20175,157,361'Nonlinear transmission line'19924,797,628'Distributed push-pull amplifier'19894,591,941'Double insulated protected system providing electrical safety and instrumentation quality power grounding'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986Patents assigned to EG & G WASHINGTON ANALYTICAL S (1)· patent assignee history
1986–1992Based in Albuquerque, NM, US· patent location history
1989–1992Patents assigned to GRUCHALLA MICHAEL E (2)· patent assignee history
1989–1992Patents assigned to KOLLER DAVID C (2)· patent assignee history
2017Patents assigned to TERXO AG (1)· patent assignee history
2017Based in Fislisbach, CH· patent location history
2019Patents assigned to METTLER TOLEDO GMBH (1)· patent assignee history
2019Based in Zurich, CH· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GRUCHALLA MICHAEL E21989–1992
KOLLER DAVID Cself21989–1992
EG & G WASHINGTON ANALYTICAL S11986
METTLER TOLEDO GMBH12019
TERXO AG12017
Locations
LocationPatentsSpan
Albuquerque, NM, US31986–1992
Zurich, CH12019
Fislisbach, CH12017