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Mircea Dumitru
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Washington, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Slider for supporting a track
Patent number
12,240,542
Issue date
Mar 4, 2025
Caterpillar Inc.
Alex Daniel Baldwin
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Roller assembly for ground-engaging track system
Patent number
12,049,265
Issue date
Jul 30, 2024
Caterpillar Inc.
Roger Lee Recker
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Track shoe with large cavities on ground engaging surfaces having a...
Patent number
11,987,303
Issue date
May 21, 2024
Caterpillar Inc.
Benjamin Isaac Jones
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Track pin and bushing retention design for a track chain
Patent number
11,772,724
Issue date
Oct 3, 2023
Caterpillar Inc.
Benjamin Isaac Jones
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Rotating installation for an idler block
Patent number
11,530,007
Issue date
Dec 20, 2022
Caterpillar Inc.
Zachary T. Donlan
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Threaded idler block cap
Patent number
11,312,434
Issue date
Apr 26, 2022
Caterpillar Inc.
Zachary T. Donlan
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Track pad geometry for hard surfaces
Patent number
10,960,944
Issue date
Mar 30, 2021
Caterpillar Inc.
Benjamin Isaac Jones
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Track pin and bushing retention design for a track chain
Patent number
10,919,588
Issue date
Feb 16, 2021
Caterpillar Inc.
Benjamin Isaac Jones
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Slider for track assembly of machine
Patent number
10,562,574
Issue date
Feb 18, 2020
Caterpillar Inc.
Mircea Dumitru
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Track support rail for supporting track assembly of machine, track...
Patent number
10,543,876
Issue date
Jan 28, 2020
Caterpillar Inc.
Mircea Dumitru
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Track nut with increased bearing area
Patent number
10,189,518
Issue date
Jan 29, 2019
Caterpillar Inc.
Mircea Dumitru
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Track pin with improved hardness profile and method of producing th...
Patent number
10,053,168
Issue date
Aug 21, 2018
Caterpillar Inc.
Eric James Johannsen
C21 - METALLURGY OF IRON
Information
Patent Grant
Track nut
Patent number
D818810
Issue date
May 29, 2018
Caterpillar Inc.
Mircea Dumitru
D08 - Tools and hardware
Information
Patent Grant
Roller collar guard plate
Patent number
9,701,351
Issue date
Jul 11, 2017
Caterpillar Inc.
Gregory J. Kaufmann
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Track pin retention system and method
Patent number
9,403,565
Issue date
Aug 2, 2016
Caterpillar Inc.
Mircea Dumitru
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Track link connector with textured region
Patent number
9,227,679
Issue date
Jan 5, 2016
Caterpillar Inc.
Mircea Dumitru
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Patents Applications
last 30 patents
Information
Patent Application
COMPOSITE TRACK PAD
Publication number
20240270331
Publication date
Aug 15, 2024
Caterpillar Inc.
Eric James Johannsen
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
TRACK SLIDER DESIGN FOR AN ELECTRIC ROPE SHOVEL
Publication number
20220348273
Publication date
Nov 3, 2022
Caterpillar Global Mining Equipment LLC
Cristian Zaharia
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
TRACK SLIDER DESIGN FOR AN ELECTRIC ROPE SHOVEL
Publication number
20220348274
Publication date
Nov 3, 2022
Caterpillar Global Mining Equipment LLC
Cristian Zaharia
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
TRACK SHOE WITH LARGE CAVITIES ON GROUND ENGAGING SURFACES HAVING A...
Publication number
20220289321
Publication date
Sep 15, 2022
Caterpillar Inc.
Benjamin Isaac Jones
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
SLIDER FOR SUPPORTING A TRACK
Publication number
20220242502
Publication date
Aug 4, 2022
Caterpillar Inc.
Alex Daniel BALDWIN
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
ULTRASONIC WEAR MEASUREMENT FOR A TRACK PAD
Publication number
20220234660
Publication date
Jul 28, 2022
Caterpillar Inc.
Benjamin Isaac Jones
G01 - MEASURING TESTING
Information
Patent Application
ROLLER ASSEMBLY FOR GROUND-ENGAGING TRACK SYSTEM
Publication number
20220194496
Publication date
Jun 23, 2022
Caterpillar Inc.
Roger Lee Recker
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
Track Pin and Bushing Retention Design for a Track Chain
Publication number
20210070385
Publication date
Mar 11, 2021
Caterpillar Inc.
Benjamin Isaac Jones
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
THREADED IDLER BLOCK CAP
Publication number
20210046981
Publication date
Feb 18, 2021
Caterpillar Inc.
Zachary T. Donlan
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
ROTATING INSTALLATION FOR AN IDLER BLOCK
Publication number
20210046982
Publication date
Feb 18, 2021
Caterpillar Inc.
Zachary T. Donlan
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
TRACK PAD GEOMETRY FOR HARD SURFACES
Publication number
20190283819
Publication date
Sep 19, 2019
Caterpillar Inc.
Benjamin Isaac Jones
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
Track Pin and Bushing Retention Design for a Track Chain
Publication number
20190263462
Publication date
Aug 29, 2019
Caterpillar Inc.
Benjamin Isaac Jones
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
Track Support Rail for Supporting Track Assembly of Machine, Track...
Publication number
20180170463
Publication date
Jun 21, 2018
Caterpillar Inc.
Mircea Dumitru
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
TRACK NUT WITH INCREASED BEARING AREA
Publication number
20180105216
Publication date
Apr 19, 2018
Caterpillar Inc.
Mircea Dumitru
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
SLIDER FOR TRACK ASSEMBLY OF MACHINE
Publication number
20180065691
Publication date
Mar 8, 2018
Caterpillar Inc.
Mircea Dumitru
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
TRACK PIN WITH IMPROVED HARDNESS PROFILE AND METHOD OF PRODUCING TH...
Publication number
20170144715
Publication date
May 25, 2017
Caterpillar Inc.
Eric James Johannsen
C21 - METALLURGY OF IRON
Information
Patent Application
Roller Collar Guard Plate
Publication number
20170050686
Publication date
Feb 23, 2017
Caterpillar Inc.
Gregory J. Kaufmann
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
Track Roller Stationary Collar
Publication number
20170050687
Publication date
Feb 23, 2017
Caterpillar Inc.
Gregory J. Kaufmann
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
TRACK PIN RETENTION SYSTEM AND METHOD
Publication number
20140042802
Publication date
Feb 13, 2014
Mircea Dumitru
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
TRACK PIN RETENTION SYSTEM
Publication number
20130002011
Publication date
Jan 3, 2013
Robert Lee Meyer
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
TRACK LINK CONNECTOR WITH TEXTURED REGION
Publication number
20130000995
Publication date
Jan 3, 2013
Caterpillar Inc.
Mircea Dumitru
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS