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Peter Fredrick Pfeifer
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Tyrone, GA, US
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Patents Grants
last 30 patents
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Patent Grant
Method and apparatus for isolating a pressure-driven system from a...
Patent number
11,608,619
Issue date
Mar 21, 2023
Truth Holding LLC
Peter Fredrick Pfeifer
G05 - CONTROLLING REGULATING
Information
Patent Grant
Method and apparatus for isolating a pressure-driven system from a...
Patent number
11,174,625
Issue date
Nov 16, 2021
Truth Holding LLC
Peter Fredrick Pfeifer
E03 - WATER SUPPLY SEWERAGE
Patents Applications
last 30 patents
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Patent Application
METHOD AND APPARATUS FOR ISOLATING A PRESSURE-DRIVEN SYSTEM FROM A...
Publication number
20220074173
Publication date
Mar 10, 2022
Truth Holding LLC
Peter Fredrick Pfeifer
G05 - CONTROLLING REGULATING
Information
Patent Application
METHOD AND APPARATUS FOR ISOLATING A PRESSURE-DRIVEN SYSTEM FROM A...
Publication number
20200024835
Publication date
Jan 23, 2020
Peter Fredrick Pfeifer
G05 - CONTROLLING REGULATING