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Mark Heitfeld
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Cleves, OH, US
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Patents Grants
last 30 patents
Information
Patent Grant
Apparatus, system and method for fastening a screen on a gyratory s...
Patent number
11,285,514
Issue date
Mar 29, 2022
Schlumberger Technology Corporation
Mark A. Heitfeld
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Grant
Modular gyratory sifter
Patent number
10,220,414
Issue date
Mar 5, 2019
M-I L.L.C.
Mark Heitfeld
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Grant
Screen tensioning system and method
Patent number
10,086,409
Issue date
Oct 2, 2018
M-I L.L.C.
Mark Heitfeld
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Grant
Apparatus, system and method for folding a screen for use with a sc...
Patent number
10,065,214
Issue date
Sep 4, 2018
M-I L.L.C.
Michael A. Timmerman
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Grant
System and method for gyratory sifter deblinding
Patent number
9,216,437
Issue date
Dec 22, 2015
M-I, L.L.C.
Mark Heitfeld
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Patents Applications
last 30 patents
Information
Patent Application
APPARATUS, SYSTEM AND METHOD FOR FASTENING A SCREEN ON A GYRATORY S...
Publication number
20210268546
Publication date
Sep 2, 2021
M-I L.L.C.
Mark A. Heitfeld
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Application
APPARATUS, SYSTEM AND METHOD FOR FOLDING A SCREEN FOR USE WITH A SC...
Publication number
20170282216
Publication date
Oct 5, 2017
M-I L.L.C.
Michael A. Timmerman
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Application
SCREEN TENSIONING SYSTEM AND METHOD
Publication number
20170100747
Publication date
Apr 13, 2017
M-I L.L.C.
Mark Heitfeld
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Application
MODULAR GYRATORY SIFTER
Publication number
20160175887
Publication date
Jun 23, 2016
M-I L.L.C.
Mark Heitfeld
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Application
SYSTEM AND METHOD FOR GYRATORY SIFTER DEBLINDING
Publication number
20110186484
Publication date
Aug 4, 2011
M-I L.L.C.
Mark Heitfeld
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING