Campau; Daniel N.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Campau; Daniel N..The latest application filed is for "deep water culture hydroponic system".
Company Profile
5.45.30
- Campau; Daniel N. - Ada MI
- Campau; Daniel N. - Grand Rapids MI
- Campau; Daniel N. - S.E. Ada MI
- Campau; Daniel N. - Hanover Park IL
Patent Activity
| Patent | Date |
|---|---|
| Deep water culture hydroponic system Grant 11,219,173 - Campau , et al. January 11, 2 | 2022-01-11 |
| Deep Water Culture Hydroponic System App 20210329863 - Campau; Daniel N. ; et al. | 2021-10-28 |
| Deep Water Culture Hydroponic System App 20210321584 - Campau; Daniel N. ; et al. | 2021-10-21 |
| Hydroponic Nutrient Solution Aeration Device App 20210185952 - Campau; Daniel N. | 2021-06-24 |
| Hydroponic Nutrient Aeration And Flow Control Device And System App 20200163298 - Campau; Daniel N. ; et al. | 2020-05-28 |
| Hydroponic nutrient aeration and flow control device and system Grant 10,588,276 - Campau , et al. | 2020-03-17 |
| Hydroponic Nutrient Aeration And Flow Control Device And System App 20200045899 - Campau; Daniel N. ; et al. | 2020-02-13 |
| Connector for a fluid handling system Grant 10,473,246 - Herrema , et al. Nov | 2019-11-12 |
| Connector For A Fluid Handling System App 20190063652 - Herrema; Mark W. ; et al. | 2019-02-28 |
| System and method for powering a device used in conjunction with a wet cell battery Grant 10,008,751 - Campau June 26, 2 | 2018-06-26 |
| System And Method For Powering A Device Used In Conjunction With A Wet Cell Battery App 20170077563 - Campau; Daniel N. | 2017-03-16 |
| Prevailing torque locknut Grant 9,217,458 - Campau December 22, 2 | 2015-12-22 |
| Prevailing Torque Locknut App 20150037117 - Campau; Daniel N. | 2015-02-05 |
| Nut Lock App 20140356098 - Campau; Daniel N. | 2014-12-04 |
| Nut lock Grant 8,899,896 - Campau December 2, 2 | 2014-12-02 |
| Locknut with cage Grant 8,876,450 - Campau November 4, 2 | 2014-11-04 |
| Low profile manifold for single point watering system for lead-acid batteries Grant 8,802,258 - Campau , et al. August 12, 2 | 2014-08-12 |
| Locking threaded fastener Grant 8,734,072 - Campau May 27, 2 | 2014-05-27 |
| Push-in turn-out vent cap for lead-acid battery Grant 8,679,663 - Campau March 25, 2 | 2014-03-25 |
| Locking threaded fastener Grant 8,439,616 - Campau May 14, 2 | 2013-05-14 |
| Locking threaded fastener Grant 8,425,168 - Campau April 23, 2 | 2013-04-23 |
| Stem-mounted tire inflation pressure regulator Grant 8,402,988 - Campau March 26, 2 | 2013-03-26 |
| Locking Threaded Fastener App 20120301247 - Campau; Daniel N. | 2012-11-29 |
| Locking Threaded Fastener App 20120301246 - Campau; Daniel N. | 2012-11-29 |
| Locking threaded connection Grant 8,177,468 - Campau May 15, 2 | 2012-05-15 |
| Stem-mounted Tire Inflation Pressure Regulator App 20120097264 - Campau; Daniel N. | 2012-04-26 |
| Locking Threaded Fastener App 20120063863 - Campau; Daniel N. | 2012-03-15 |
| Stem-mounted tire inflation pressure regulator Grant 8,113,234 - Campau February 14, 2 | 2012-02-14 |
| System and method for establishing plumbing kit specifications Grant 8,070,995 - Campau , et al. December 6, 2 | 2011-12-06 |
| Locking threaded fastener Grant 8,021,093 - Campau September 20, 2 | 2011-09-20 |
| On-tank toilet dispenser Grant 8,015,628 - Campau , et al. September 13, 2 | 2011-09-13 |
| Push-in Turn-out Vent Cap For Lead-acid Battery App 20100323229 - Campau; Daniel N. | 2010-12-23 |
| Locking Threaded Fastener App 20100266364 - Campau; Daniel N. | 2010-10-21 |
| Single Point Battery Watering System Including Battery Refill Valves Incorporating Flame Arrestors App 20100227206 - Campau; Daniel N. | 2010-09-09 |
| Low Profile Manifold For Single Point Watering System For Lead-acid Batteries App 20100167109 - Campau; Daniel N. ; et al. | 2010-07-01 |
| Method and apparatus for the manufacture of conduit with assembled components and conduit assembly made therefrom Grant 7,670,521 - Campau March 2, 2 | 2010-03-02 |
| Single point battery watering system including battery refill valves incorporating flame arrestors App 20090286142 - Campau; Daniel N. | 2009-11-19 |
| On-Tank Toilet Dispenser App 20090178188 - Campau; Daniel N. ; et al. | 2009-07-16 |
| Locking Threaded Connection App 20090097940 - Campau; Daniel N. | 2009-04-16 |
| Stem-mounted Tire Inflation Pressure Regulator App 20090095359 - Campau; Daniel N. | 2009-04-16 |
| System and method for establishing plumbing kit specifications App 20080105321 - Campau; Daniel N. ; et al. | 2008-05-08 |
| Connector for corrugated conduit App 20070236010 - Campau; Daniel N. | 2007-10-11 |
| Method and apparatus for the manufacture of conduit with assembled components and conduit assembly made therefrom App 20070228725 - Campau; Daniel N. | 2007-10-04 |
| Single point battery watering system including battery refill valves incorporating flame arrestors App 20060177729 - Campau; Daniel N. | 2006-08-10 |
| Single point watering apparatus for lead-acid battery Grant 7,029,786 - Campau April 18, 2 | 2006-04-18 |
| Connector Grant 6,834,888 - Campau December 28, 2 | 2004-12-28 |
| Single point watering apparatus for lead-acid battery App 20040161661 - Campau, Daniel N. | 2004-08-19 |
| Connector App 20040150223 - Campau, Daniel N. | 2004-08-05 |
| Apparatus for use of single point watering system with monobloc lead-acid batteries App 20040140005 - Campau, Daniel N. | 2004-07-22 |
| Apparatus for use of single point watering system with monobloc lead-acid batteries Grant 6,644,338 - Campau November 11, 2 | 2003-11-11 |
| Apparatus and method for monitoring soil moisture conditions and for maintaining soil moisture conditions App 20030080304 - Campau, Daniel N. | 2003-05-01 |
| Diverter valve Grant 6,311,727 - Campau November 6, 2 | 2001-11-06 |
| Connector for fluid handling system App 20010035649 - Campau, Daniel N. | 2001-11-01 |
| Connector for fluid handling system Grant 6,257,626 - Campau July 10, 2 | 2001-07-10 |
| Tubing pinch valve and mounting bracket assembly Grant 6,082,702 - Campau July 4, 2 | 2000-07-04 |
| Automatic liquid dispenser Grant 5,542,605 - Campau August 6, 1 | 1996-08-06 |
| Liquid dispensing apparatus Grant 5,409,135 - Campau April 25, 1 | 1995-04-25 |
| Apparatus and method for controlled dispensing of a liquid Grant 5,353,957 - Campau October 11, 1 | 1994-10-11 |
| Tubing pinch valve device Grant 5,197,708 - Campau March 30, 1 | 1993-03-30 |
| Field repairable apparatus for use in filling containers to a predetermined level Grant 5,090,442 - Campau February 25, 1 | 1992-02-25 |
| Main valve and seat for use in filling containers to a predetermined level Grant 5,048,557 - Campau September 17, 1 | 1991-09-17 |
| System for distributing water flow between a reservoir and a water source Grant 4,708,084 - Campau November 24, 1 | 1987-11-24 |
| Metering apparatus for dispensing precise volumes of liquid Grant 4,532,962 - Campau August 6, 1 | 1985-08-06 |
| Apparatus and system for filling one or more containers with a liquid to a predetermined level Grant 4,527,593 - Campau July 9, 1 | 1985-07-09 |
| Fluidic level control system Grant 4,522,228 - Campau June 11, 1 | 1985-06-11 |
| Liquid level control device Grant 4,515,178 - Campau May 7, 1 | 1985-05-07 |
| Iron-type golf clubs Grant 4,420,156 - Campau December 13, 1 | 1983-12-13 |
| Method of making iron golf clubs with flexible impact surface Grant 4,398,965 - Campau August 16, 1 | 1983-08-16 |
| Golf club having insert capable of elastic flexing Grant 3,989,248 - Campau November 2, 1 | 1976-11-02 |
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