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Home › Flow-Rite Controls › Daniel N. Campau

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Daniel N. Campau — 58 Patents

FCFlow-Rite Controls: 43 patents #1 of 15Top 7%

PepsiCo: 2 patents #557 of 1,581Top 40%

BEBesser: 1 patents #14 of 28Top 50%

HUHydra Unlimited: 1 patents #6 of 7Top 90%

SSS. C. Johnson & Son: 1 patents #961 of 1,588Top 65%

TCTrojan Battery Company: 1 patents #7 of 20Top 35%

Fennville, MI: #2 of 39 inventorsTop 6%

Michigan: #700 of 86,293 inventorsTop 1%

Overall (All Time): #41,319 of 4,157,543Top 1%

58 Patents All Time

Daniel N. Campau has been granted 58 US patents while listed as an inventor at Flow-Rite Controls. The first was granted in 1983 and the most recent in June 2025. Daniel N. Campau ranks #41,319 of 4,157,543 US inventors in our database (top 0.99%). Patent records list Daniel N. Campau in Fennville, MI, US.

Patents per Year

Issued Patents All Time

Showing 1–25 of 58 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12325150	Hybrid mold vibration	Douglas Krentz, Alex Guzman, Clay Cross	2025-06-10
11219173	Deep water culture hydroponic system	Scott T. Kloote	2022-01-11
10588276	Hydroponic nutrient aeration and flow control device and system	Mark W. Herrema	2020-03-17
10473246	Connector for a fluid handling system	Mark W. Herrema, Scott T. Kloote, Dennis J. Anderson	2019-11-12
10008751	System and method for powering a device used in conjunction with a wet cell battery	—	2018-06-26
9217458	Prevailing torque locknut	—	2015-12-22
8899896	Nut lock	—	2014-12-02
8876450	Locknut with cage	—	2014-11-04
8802258	Low profile manifold for single point watering system for lead-acid batteries	Patrick A. Mavrakis	2014-08-12
8734072	Locking threaded fastener	—	2014-05-27
8679663	Push-in turn-out vent cap for lead-acid battery	—	2014-03-25
8439616	Locking threaded fastener	—	2013-05-14
8425168	Locking threaded fastener	—	2013-04-23
8402988	Stem-mounted tire inflation pressure regulator	—	2013-03-26
8177468	Locking threaded connection	—	2012-05-15
8113234	Stem-mounted tire inflation pressure regulator	—	2012-02-14
8070995	System and method for establishing plumbing kit specifications	Roger C. Miller	2011-12-06
8021093	Locking threaded fastener	—	2011-09-20
8015628	On-tank toilet dispenser	Michael C. Fryan, Steven A. Zach, Douglas A. Soller	2011-09-13
7670521	Method and apparatus for the manufacture of conduit with assembled components and conduit assembly made therefrom	—	2010-03-02
7029786	Single point watering apparatus for lead-acid battery	—	2006-04-18
6834888	Connector	—	2004-12-28
6644338	Apparatus for use of single point watering system with monobloc lead-acid batteries	—	2003-11-11
6443496	Connector for fluid handling system	—	2002-09-03
6311727	Diverter valve	—	2001-11-06