Harry Joseph Knopke

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Grand Rapids, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Water filter cartridge
- Patent number 11,713,255
- Issue date Aug 1, 2023
- Aqua Chira International Incorporated
- Harry Joseph Knopke
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Water filter cartridge
- Patent number 11,053,137
- Issue date Jul 6, 2021
- Aqua Clara International Incorporated
- Harry Joseph Knopke
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Manifold 3-stage water filtration system with heavy metals removal
- Patent number 10,829,400
- Issue date Nov 10, 2020
- Aqua Clara International Incorporated
- Robert Ramsey McDonald
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
WATER FILTER CARTRIDGE
- Publication number 20210323839
- Publication date Oct 21, 2021
- Aqua Clara International Incorporated
- Harry Joseph Knopke
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
MANIFOLD 3-STAGE WATER FILTRATION SYSTEM WITH HEAVY METALS REMOVAL
- Publication number 20180050945
- Publication date Feb 22, 2018
- Aqua Clara International Incorporated
- Robert Ramsey McDonald
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL