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Inventor

John D. Stolz

Inventor
Grafton, WI, US

Overview

4→
Patents
1988–2006
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

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

G06Mprimary
G06MCounting mechanisms22%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry11%
F16KValves11%
G01FMeasuring volume, volume flow, mass flow or liquid level11%
H01RElectrically-conductive connections11%
H02NElectric machines not otherwise provided for11%
H10NElectric solid-state devices not otherwise provided for11%
Y10TTechnical subjects covered by former us classification11%
PatentTitleYear
7,004,200'Constant flow valve for a water softener control assembly'20065,734,103'Sealed wire entry for instrument housing and method of sealing'19984,868,566'Flexible piezoelectric switch activated metering pulse generators'19894,725,753'Piezoelectric transducer'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988Patents assigned to BAKER MFG CO (1)· patent assignee history
1988–1989Based in Milwaukee, WI, US· patent location history
1989–1998Patents assigned to BADGER METER INC (2)· patent assignee history
1998–2006Based in Grafton, WI, US· patent location history
2006Patents assigned to GEN ELECTRIC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BADGER METER INC21989–1998
BAKER MFG CO11988
GEN ELECTRIC12006
Locations
LocationPatentsSpan
Grafton, WI, US21998–2006
Milwaukee, WI, US21988–1989