Inventor
Douglas J. Brouwer
Inventor
Sheboygan, WI, US
Overview
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%
PatentTitleYear
10,072,770Valve body rough-in guide20189,915,367'Valve assembly having improved rotational feel'20189,874,287Service valve for a valve body20189,816,637'Testing cap for a valve body'20179,657,874'Plumbing fitting adapter'20179,476,508'Valve assembly having improved rotational feel'20169,372,207'Power sensing transducer'20169,334,971'Universal valve body'20169,182,045'Concentric diverter cartridge'20159,086,155'Valve assembly having improved rotational feel'20159,069,359'Pressure balance unit'20158,800,962'Valve assembly having improved connections'20148,297,305'Valve assembly having an improved flow path'20128,079,381'Handle assembly for a water control valve'20115,611,628'Self-adjusting bearing'19975,531,524'Self-adjusting bearing'19965,402,822'Anti-cavitation valve'19955,333,327'Apparatus for opening and closing a drain'1994Career & 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
| Assignee | Patents | Span |
|---|---|---|
| KOHLER CO | 17 | 1994–2018 |
| BROUWER DOUGLAS Jself | 2 | 2011–2012 |
| CORE BRIAN S | 2 | 2011–2012 |
| RITTER DAVID H | 2 | 2011–2012 |
| BROUWER ADAM | 1 | 2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sheboygan, WI, US | 17 | 1994–2018 |
| Santa Cruz, California, US | 1 | 2016 |