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Inventor

Donald R. Zrudsky

Inventor
Liberty Hill, TX, US

Overview

4→
Patents
1976–2008
Patent span
Electricity
Primary field (CPC H)

Patents· 4 as inventor

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

B66Cprimary
B66CCranes13%
G01GWeighing13%
G01RMeasuring electric variables13%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems13%
H03FAmplifiers13%
H03KPulse technique13%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications13%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution13%
PatentTitleYear
RE040099'Load cell apparatus and method'20086,303,882'Load cell apparatus and method'20014,074,076'Chopper-multiplexer system for measurement of remote low-level signals'19783,995,174'Chopper and chopper-multiplexer circuitry for measurement of remote low-level signals'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1978Patents assigned to UNIV TOLEDO (2)· patent assignee history
1976–1978Based in Sylvania, OH, US· patent location history
2001–2008Patents assigned to CRANIUM CORP (2)· patent assignee history
2001–2008Based in Liberty Hill, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CRANIUM CORP22001–2008
UNIV TOLEDO21976–1978
Locations
LocationPatentsSpan
Liberty Hill, Texas, US22001–2008
Sylvania, OH, US21976–1978