Inventor

Douglas J. Brouwer

Inventor
Sheboygan, WI, US

Overview

18→
Patents
1994–2018
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 18 as inventor

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

F16Kprimary
F16KValves28%
Y10TTechnical subjects covered by former us classification24%
E03CDomestic plumbing installations for fresh water or waste water19%
B23PMetal-working not otherwise provided for9%
F16LPipes7%
F16CShafts4%
G05DSystems for controlling or regulating non-electric variables4%
G01RMeasuring electric variables2%
H01FMagnets2%
H01RElectrically-conductive connections2%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–2018Patents assigned to KOHLER CO (17)· patent assignee history
1994–2018Based in Sheboygan, WI, US· patent location history
2011–2012Patents assigned to BROUWER DOUGLAS J (2)· patent assignee history
2011–2012Patents assigned to CORE BRIAN S (2)· patent assignee history
2011–2012Patents assigned to RITTER DAVID H (2)· patent assignee history
2016Patents assigned to BROUWER ADAM (1)· patent assignee history
2016Based in Santa Cruz, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KOHLER CO171994–2018
BROUWER DOUGLAS Jself22011–2012
CORE BRIAN S22011–2012
RITTER DAVID H22011–2012
BROUWER ADAM12016
Locations
LocationPatentsSpan
Sheboygan, WI, US171994–2018
Santa Cruz, California, US12016