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Steven R. Wells
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Howell, MI, US
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Patents Grants
last 30 patents
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Patent Grant
Landfill well pump
Patent number
11,603,866
Issue date
Mar 14, 2023
Q.E.D. Environmental Systems, Inc.
John F. Schaupp
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
PNEUMATIC FLUID PUMP WITH DUAL ROTATIONAL SWIRLING CLEANING ACTION
Publication number
20220290694
Publication date
Sep 15, 2022
Q.E.D. ENVIRONMENTAL SYSTEMS, INC.
John F. Schaupp
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
LANDFILL WELL PUMP
Publication number
20210115768
Publication date
Apr 22, 2021
Q.E.D. ENVIRONMENTAL SYSTEMS, INC.
John F. Schaupp
E21 - EARTH DRILLING MINING
Information
Patent Application
POPPET VALVE FOR FLUID PUMP
Publication number
20200309114
Publication date
Oct 1, 2020
Q.E.D. ENVIRONMENTAL SYSTEMS, INC.
John F. SCHAUPP
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
PNEUMATIC LANDFILL PUMP CYCLE COUNTER
Publication number
20200263706
Publication date
Aug 20, 2020
Steven R. Wells
G01 - MEASURING TESTING