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Peter Paul Gregar
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Greenville, SC, US
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Patents Grants
last 30 patents
Information
Patent Grant
Slack adjuster for a brake system
Patent number
11,536,337
Issue date
Dec 27, 2022
Westinghouse Air Brake Technologies Corporation
Michael Anthony Koziol
B61 - RAILWAYS
Information
Patent Grant
Slack adjuster main spring housing contaminant sump
Patent number
11,401,991
Issue date
Aug 2, 2022
Westinghouse Air Brake Technologies Corporation
Shaun T. Whalen
B61 - RAILWAYS
Information
Patent Grant
Slack adjuster main spring housing contaminant sump
Patent number
10,948,038
Issue date
Mar 16, 2021
Westinghouse Air Brake Technologies Corporation
Shaun T. Whalen
B61 - RAILWAYS
Information
Patent Grant
Slack adjuster for a brake system with increased take-up capacity
Patent number
10,562,550
Issue date
Feb 18, 2020
Westinghouse Air Brake Technologies Corporation
Michael Anthony Koziol
B61 - RAILWAYS
Information
Patent Grant
Slack adjuster main spring housing contaminant sump
Patent number
10,330,162
Issue date
Jun 25, 2019
Westinghouse Air Brake Technologies Corporation
Shaun T. Whalen
B61 - RAILWAYS
Information
Patent Grant
Truck mounted brake system for rod-under style bolsters
Patent number
10,232,865
Issue date
Mar 19, 2019
Westinghouse Air Brake Technologies Corporation
Richard Wayne Plegge
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Bail compensation joint for rail vehicles
Patent number
10,059,314
Issue date
Aug 28, 2018
Wabtec Holding Corp.
Michael Koziol
B61 - RAILWAYS
Information
Patent Grant
Vented draining slack adjuster end cap
Patent number
9,834,232
Issue date
Dec 5, 2017
Westinghouse Air Brake Technologies Corporation
Shaun T. Whalen
B61 - RAILWAYS
Information
Patent Grant
Slack adjuster contaminant sump, drain, and overload relief
Patent number
9,676,401
Issue date
Jun 13, 2017
Wabtec Holding Corp.
Shaun T. Whalen
B61 - RAILWAYS
Information
Patent Grant
Compressible elastomeric spring
Patent number
9,562,582
Issue date
Feb 7, 2017
Wabtec Holding Corp.
Ronald J. Sprainis
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Slack adjuster contaminant mitigation device
Patent number
9,540,021
Issue date
Jan 10, 2017
Wabtec Holding Corp.
Shaun T. Whalen
B61 - RAILWAYS
Information
Patent Grant
Manual brake release mechanism for rail vehicles
Patent number
9,517,753
Issue date
Dec 13, 2016
Wabtec Holding Corp.
Michael Koziol
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Handbrake with a double-sided gear box
Patent number
9,481,382
Issue date
Nov 1, 2016
Wabtec Holding Corp.
Peter Paul Gregar
B61 - RAILWAYS
Information
Patent Grant
Device and method for sensing applied condition of a railroad handb...
Patent number
9,200,994
Issue date
Dec 1, 2015
Wabtec Holding Corp.
Peter Gregar
B61 - RAILWAYS
Information
Patent Grant
Lubricating insert for railroad brake head assembly
Patent number
8,869,954
Issue date
Oct 28, 2014
Standard Car Truck Company
Jonathon Marlow
B61 - RAILWAYS
Information
Patent Grant
Elastomeric draft gear for a railcar
Patent number
8,672,151
Issue date
Mar 18, 2014
WABTEC Corp
Ronald J. Sprainis
B61 - RAILWAYS
Information
Patent Grant
Device and method for sensing applied condition of a railroad handb...
Patent number
8,616,341
Issue date
Dec 31, 2013
Wabtec Holding Corp.
Peter Gregar
B61 - RAILWAYS
Information
Patent Grant
Railroad handbrake chain tension condition sensing device and method
Patent number
8,584,551
Issue date
Nov 19, 2013
Wabtec Holding Corp.
Peter Gregar
G01 - MEASURING TESTING
Information
Patent Grant
Railway truck mounted brake rigging having raised connection of for...
Patent number
8,556,044
Issue date
Oct 15, 2013
Wabtec Holding Corp.
Jonathon Marlow
B61 - RAILWAYS
Information
Patent Grant
Constant contact side bearing assembly with improved heat dissipati...
Patent number
8,528,483
Issue date
Sep 10, 2013
Wabtec Holding Corp.
Ronald J. Sprainis
B61 - RAILWAYS
Information
Patent Grant
Constant contact side bearing assembly with improved cap machining...
Patent number
7,802,524
Issue date
Sep 28, 2010
Wabtec Holding Corp.
Peter P. Gregar
B61 - RAILWAYS
Patents Applications
last 30 patents
Information
Patent Application
SLACK ADJUSTER MAIN SPRING HOUSING CONTAMINANT SUMP
Publication number
20210148426
Publication date
May 20, 2021
WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORPORATION
Shaun T. Whalen
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
SLACK ADJUSTER FOR A BRAKE SYSTEM
Publication number
20200132148
Publication date
Apr 30, 2020
WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORPORATION
Michael Anthony Koziol
B61 - RAILWAYS
Information
Patent Application
SLACK ADJUSTER MAIN SPRING HOUSING CONTAMINANT SUMP
Publication number
20190309812
Publication date
Oct 10, 2019
WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORPORATION
Shaun T. Whalen
B61 - RAILWAYS
Information
Patent Application
Slack Adjuster for a Brake System With Increased Take-Up Capacity
Publication number
20180050710
Publication date
Feb 22, 2018
WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORPORATION
Michael Anthony Koziol
B61 - RAILWAYS
Information
Patent Application
TRUCK MOUNTED BRAKE SYSTEM FOR ROD-UNDER STYLE BOLSTERS
Publication number
20170029000
Publication date
Feb 2, 2017
WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORPORATION
Richard Wayne Plegge
B61 - RAILWAYS
Information
Patent Application
"Vented Draining Slack Adjuster End Cap"
Publication number
20160229430
Publication date
Aug 11, 2016
WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORPORATION
Shaun T. Whalen
B61 - RAILWAYS
Information
Patent Application
Slack Adjuster Main Spring Housing Contaminant Sump
Publication number
20160185366
Publication date
Jun 30, 2016
WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORPORATION
Shaun T. Whalen
B61 - RAILWAYS
Information
Patent Application
BAIL COMPENSATION JOINT FOR RAIL VEHICLES
Publication number
20150090541
Publication date
Apr 2, 2015
Wabtec Holding Corp.
Michael Koziol
B61 - RAILWAYS
Information
Patent Application
MANUAL BRAKE RELEASE MECHANISM FOR RAIL VEHICLES
Publication number
20150090064
Publication date
Apr 2, 2015
Wabtec Holding Corp.
Michael Koziol
B60 - VEHICLES IN GENERAL
Information
Patent Application
SLACK ADJUSTER CONTAMINANT SUMP, DRAIN, AND OVERLOAD RELIEF
Publication number
20150075924
Publication date
Mar 19, 2015
Wabtec Holding Corp.
Shaun T. Whalen
B61 - RAILWAYS
Information
Patent Application
SLACK ADJUSTER CONTAMINANT MITIGATION DEVICE
Publication number
20150001016
Publication date
Jan 1, 2015
Wabtec Holding Corp.
Shaun T. Whalen
B61 - RAILWAYS
Information
Patent Application
Handbrake with a Double-Sided Gear Box
Publication number
20140305240
Publication date
Oct 16, 2014
Wabtec Holding Corp.
Peter Paul Gregar
B61 - RAILWAYS
Information
Patent Application
DEVICE AND METHOD FOR SENSING APPLIED CONDITION OF A RAILROAD HANDB...
Publication number
20130319130
Publication date
Dec 5, 2013
PETER GREGAR
B61 - RAILWAYS
Information
Patent Application
Compressible Elastomeric Spring
Publication number
20130069292
Publication date
Mar 21, 2013
Wabtec Holding Corp.
Ronald J. Sprainis
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
Elastomeric Draft Gear For A Railcar
Publication number
20130068714
Publication date
Mar 21, 2013
Wabtec Holding Corp.
Ronald J. Sprainis
B61 - RAILWAYS
Information
Patent Application
Lubricating Insert for Railroad Brake Head Assembly
Publication number
20120261218
Publication date
Oct 18, 2012
Wabtec Holding Corp.
Jonathon Marlow
B61 - RAILWAYS
Information
Patent Application
RAILROAD HANDBRAKE CHAIN TENSION CONDITION SENSING DEVICE AND METHOD
Publication number
20120204655
Publication date
Aug 16, 2012
Wabtec Holding Corp.
PETER GREGAR
G01 - MEASURING TESTING
Information
Patent Application
DEVICE AND METHOD FOR SENSING APPLIED CONDITION OF A RAILROAD HANDB...
Publication number
20120205200
Publication date
Aug 16, 2012
Wabtec Holding Corp.
PETER GREGAR
B61 - RAILWAYS
Information
Patent Application
RAILWAY TRUCK MOUNTED BRAKE RIGGING HAVING RAISED CONNECTION OF FOR...
Publication number
20120085596
Publication date
Apr 12, 2012
Wabtec Holding Corp.
Jonathon Marlow
B61 - RAILWAYS
Information
Patent Application
CONSTANT CONTACT SIDE BEARING ASSEMBLY WITH IMPROVED HEAT DISSIPATI...
Publication number
20100294165
Publication date
Nov 25, 2010
WABTEC, Holding Corp.
RONALD J. SPRAINIS
B61 - RAILWAYS