Brian F. Sullivan

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Minneapolis, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Faucet-mounted water treatment device
- Patent number 5,928,504
- Issue date Jul 27, 1999
- Recovery Engineering, Inc.
- Richard D. Hembre
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Water treatment device with volume totalization valve
- Patent number 5,527,451
- Issue date Jun 18, 1996
- Recovery Engineering, Inc.
- Richard D. Hembree
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Portable water purification system
- Patent number 5,268,093
- Issue date Dec 7, 1993
- Recovery Engineering, Inc.
- Richard D. Hembree
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Portable water purification system including a filter cleaning mech...
- Patent number 5,106,500
- Issue date Apr 21, 1992
- Recovery Engineering, Inc.
- Richard D. Hembree
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE