Ewing Engineering Company

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Milwaukee, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Phosphorus removal from waste water
- Patent number 4,029,575
- Issue date Jun 14, 1977
- Ewing Engineering Company
- Michael J. Bykowski
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Push-type coupling and conduit pipe assembly
- Patent number 4,023,834
- Issue date May 17, 1977
- Ewing Engineering Company
- Lloyd Ewing
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Conformable thin-wall shear-resistant coupling and pipe assembly
- Patent number 4,023,835
- Issue date May 17, 1977
- Ewing Engineering Company
- Lloyd Ewing
- E03 - WATER SUPPLY SEWERAGE

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