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Dennis Myron Beekman
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LaCrosse, WI, US
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Patents Grants
last 30 patents
Information
Patent Grant
Variable capacity screw compressor and method
Patent number
11,022,117
Issue date
Jun 1, 2021
TRANE INTERNATIONAL INC.
Dennis M. Beekman
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Controls and operation of variable frequency drives
Patent number
10,746,448
Issue date
Aug 18, 2020
Trane International Inc.
Benjamin James Sykora
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Screw compressor drive control
Patent number
10,352,608
Issue date
Jul 16, 2019
TRANE INTERNATIONAL INC.
David M. Foye
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Controls and operation of variable frequency drives
Patent number
10,295,239
Issue date
May 21, 2019
Trane International Inc.
Nathan Thomas West
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Compressor having external shell with vibration isolation and press...
Patent number
10,240,603
Issue date
Mar 26, 2019
TRANE INTERNATIONAL INC.
William B. Rockwood
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Axial thrust control for rotary compressors
Patent number
10,101,070
Issue date
Oct 16, 2018
TRANE INTERNATIONAL INC.
Nathan Thomas West
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Screw compressor drive control
Patent number
9,733,002
Issue date
Aug 15, 2017
TRANE INTERNATIONAL INC.
David M. Foye
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Axial thrust control for rotary compressors
Patent number
9,605,886
Issue date
Mar 28, 2017
Trane International Inc.
Nathan Thomas West
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Refrigerant compressor drives offering enhanced robustness, efficie...
Patent number
9,595,905
Issue date
Mar 14, 2017
Trane International Inc.
Nathan Thomas West
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Screw compressor drive control
Patent number
8,875,530
Issue date
Nov 4, 2014
Trane International Inc.
David M. Foye
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Screw compressor drive control
Patent number
8,365,544
Issue date
Feb 5, 2013
Trane International Inc.
David M. Foye
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Compressor discharge valve providing freeze and charge migration pr...
Patent number
8,234,877
Issue date
Aug 7, 2012
Trane International Inc.
Dennis M. Beekman
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Prevention of oil backflow from a screw compressor in a refrigerati...
Patent number
6,205,808
Issue date
Mar 27, 2001
American Standard Inc.
Dennis M. Beekman
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Single-source gas actuation for screw compressor slide valve assembly
Patent number
5,979,168
Issue date
Nov 9, 1999
American Standard Inc.
Dennis M. Beekman
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Non-concentric oil separator
Patent number
5,502,984
Issue date
Apr 2, 1996
American Standard Inc.
Michael C. Boehde
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Patents Applications
last 30 patents
Information
Patent Application
SCREW COMPRESSOR DRIVE CONTROL
Publication number
20170343261
Publication date
Nov 30, 2017
TRANE INTERNATIONAL INC.
David M. FOYE
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
CONTROLS AND OPERATION OF VARIABLE FREQUENCY DRIVES
Publication number
20170227273
Publication date
Aug 10, 2017
Trane International Inc.
NATHAN THOMAS WEST
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
AXIAL THRUST CONTROL FOR ROTARY COMPRESSORS
Publication number
20170167769
Publication date
Jun 15, 2017
TRANE INTERNATIONAL INC.
NATHAN THOMAS WEST
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
CONTROLS AND OPERATION OF VARIABLE FREQUENCY DRIVES
Publication number
20150377536
Publication date
Dec 31, 2015
Nathan Thomas West
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
COMPRESSOR
Publication number
20150337840
Publication date
Nov 26, 2015
Trane International Inc.
William B. Rockwood
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
REFRIGERANT COMPRESSOR DRIVES OFFERING ENHANCED ROBUSTNESS, EFFICIE...
Publication number
20150318813
Publication date
Nov 5, 2015
Trane International Inc.
Nathan Thomas West
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
SCREW COMPRESSOR DRIVE CONTROL
Publication number
20150052921
Publication date
Feb 26, 2015
Trane International Inc.
David M. Foye
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Bearing Housing and Assembly of a Screw Compressor
Publication number
20150030490
Publication date
Jan 29, 2015
Trane International Inc.
Dennis M. Beekman
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Variable Capacity Screw Compressor and Method
Publication number
20150030489
Publication date
Jan 29, 2015
Trane International Inc.
Dennis M. Beekman
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
AXIAL THRUST CONTROL FOR ROTARY COMPRESSORS
Publication number
20140216081
Publication date
Aug 7, 2014
Trane International Inc.
Nathan Thomas West
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
SCREW COMPRESSOR DRIVE CONTROL
Publication number
20110041533
Publication date
Feb 24, 2011
David M. Foye
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Compressor discharge valve providing freeze and charge migration pr...
Publication number
20110005251
Publication date
Jan 13, 2011
Trane International Inc.
Dennis M. Beekman
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...