Ashwin A. HATTIANGADI

Person

Edwards, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Stem seal for valve assembly of machine engine
- Patent number 11,608,760
- Issue date Mar 21, 2023
- Caterpillar Inc.
- Ashwin A. Hattiangadi
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Valve seat insert with soft landing insert design with contoured radii
- Patent number 11,480,075
- Issue date Oct 25, 2022
- Caterpillar Inc.
- Ashwin A. Hattiangadi
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Valve seat insert with soft landing insert design with contoured radii
- Patent number 11,473,457
- Issue date Oct 18, 2022
- Caterpillar Inc.
- Ashwin A. Hattiangadi
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Rocker assembly with a hydraulic lash adjuster
- Patent number 11,242,774
- Issue date Feb 8, 2022
- Caterpillar Inc.
- Ashwin A. Hattiangadi
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Valve seat insert with soft landing insert design with contoured radii
- Patent number 11,125,122
- Issue date Sep 21, 2021
- Caterpillar Inc.
- Ashwin A. Hattiangadi
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Valve seat insert with soft landing insert design with contoured radii
- Patent number 11,125,123
- Issue date Sep 21, 2021
- Caterpillar Inc.
- Ashwin A. Hattiangadi
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Valve seat insert for engine head having venturi flow crowns and se...
- Patent number 11,060,425
- Issue date Jul 13, 2021
- Caterpillar Inc.
- Ashwin A. Hattiangadi
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Method and system for estimating damage in an internal combustion e...
- Patent number 11,028,772
- Issue date Jun 8, 2021
- Caterpillar Inc.
- David J. Lin
- G08 - SIGNALLING
Information Patent Grant
Rocker arm assembly with air venting
- Patent number 11,008,901
- Issue date May 18, 2021
- Caterpillar Inc.
- Ashwin A. Hattiangadi
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Lifter providing improved cam lobe lubrication
- Patent number 11,002,160
- Issue date May 11, 2021
- Caterpillar Inc.
- Ashwin A. Hattiangadi
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Double-crowned valve seat insert having seating surface formed of h...
- Patent number 10,989,321
- Issue date Apr 27, 2021
- Caterpillar Inc.
- Ashwin A Hattiangadi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Valve seat insert for high power density and high speed diesel engines
- Patent number 10,934,901
- Issue date Mar 2, 2021
- Caterpillar Inc.
- Ashwin A. Hattiangadi
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Valve seat insert for high power density and marine engines
- Patent number 10,934,902
- Issue date Mar 2, 2021
- Caterpillar Inc.
- Ashwin A. Hattiangadi
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Valve seat insert for engine having double-crowned seating surface...
- Patent number 10,934,899
- Issue date Mar 2, 2021
- Caterpillar Inc.
- Ashwin Hattiangadi
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Engine and gas exchange valve with under-head fillet contoured for...
- Patent number 10,844,758
- Issue date Nov 24, 2020
- Caterpillar Inc.
- Ashwin Hattiangadi
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Valve seat insert for long life natural gas lean burn engines
- Patent number 10,767,520
- Issue date Sep 8, 2020
- Caterpillar Inc.
- Ashwin A. Hattiangadi
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Valve seat insert for internal combustion engine profiled to resist...
- Patent number 10,731,523
- Issue date Aug 4, 2020
- Caterpillar Inc.
- Rong Qu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Rocker arm assembly having a hydraulic lash adjuster
- Patent number 10,711,655
- Issue date Jul 14, 2020
- Caterpillar Inc.
- Ashwin A. Hattiangadi
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Common rocker arm for hydraulic lash adjuster and non-hydraulic las...
- Patent number 10,132,206
- Issue date Nov 20, 2018
- Caterpillar Inc.
- Ashwin A. Hattiangadi
- G05 - CONTROLLING REGULATING
Information Patent Grant
Hydraulic lash adjuster
- Patent number 10,082,052
- Issue date Sep 25, 2018
- Caterpillar Inc.
- Ashwin A. Hattiangadi
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Valve actuation system
- Patent number 10,006,317
- Issue date Jun 26, 2018
- Caterpillar Inc.
- Indrajith Kizhakkethara
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Translating roller lifter design for diesel engines
- Patent number 9,556,754
- Issue date Jan 31, 2017
- Caterpillar Inc.
- Ashwin Ashok Hattiangadi
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Valve actuation system having rocker-located hydraulic reservoir
- Patent number 9,523,291
- Issue date Dec 20, 2016
- Caterpillar Inc.
- Charles F. Coffey
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Anti-rotation roller valve lifter
- Patent number 8,826,874
- Issue date Sep 9, 2014
- Caterpillar Inc.
- Ashwin A. Hattiangadi
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Hydraulic lash adjuster including band of radial recirculation open...
- Patent number 8,695,551
- Issue date Apr 15, 2014
- Caterpillar Inc.
- Edwin Henry Langewisch
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

Information Patent Application
STEM SEAL FOR VALVE ASSEMBLY OF MACHINE ENGINE
- Publication number 20210340890
- Publication date Nov 4, 2021
- Caterpillar Inc.
- Ashwin A. Hattiangadi
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
VALVE SEAT INSERT WITH SOFT LANDING INSERT DESIGN WITH CONTOURED RADII
- Publication number 20210301689
- Publication date Sep 30, 2021
- Caterpillar Inc.
- Ashwin A. Hattiangadi
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
VALVE SEAT INSERT WITH SOFT LANDING INSERT DESIGN WITH CONTOURED RADII
- Publication number 20210301688
- Publication date Sep 30, 2021
- Caterpillar Inc.
- Ashwin A. Hattiangadi
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
VALVE SEAT INSERT WITH SOFT LANDING INSERT DESIGN WITH CONTOURED RADII
- Publication number 20210293160
- Publication date Sep 23, 2021
- Caterpillar Inc.
- Ashwin A. Hattiangadi
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
VALVE SEAT INSERT WITH SOFT LANDING INSERT DESIGN WITH CONTOURED RADII
- Publication number 20210293159
- Publication date Sep 23, 2021
- Caterpillar Inc.
- Ashwin A. Hattiangadi
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
ROCKER ARM ASSEMBLY WITH AIR VENTING
- Publication number 20210156285
- Publication date May 27, 2021
- Caterpillar Inc.
- Ashwin A. Hattiangadi
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
ROCKER ASSEMBLY WITH A HYDRAULIC LASH ADJUSTER
- Publication number 20210087950
- Publication date Mar 25, 2021
- Caterpillar Inc.
- Ashwin A. Hattiangadi
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
VALVE SEAT INSERT FOR HIGH POWER DENSITY AND HIGH SPEED DIESEL ENGINES
- Publication number 20210054768
- Publication date Feb 25, 2021
- Caterpillar Inc.
- Ashwin A. Hattiangadi
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
LIFTER PROVIDING IMPROVED CAM LOBE LUBRICATION
- Publication number 20210054767
- Publication date Feb 25, 2021
- Caterpillar Inc.
- Ashwin A. HATTIANGADI
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
DOUBLE-CROWNED VALVE SEAT INSERT HAVING SEATING SURFACE FORMED OF H...
- Publication number 20200340593
- Publication date Oct 29, 2020
- Caterpillar Inc.
- Ashwin A Hattiangadi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
VALVE SEAT INSERT FOR ENGINE HEAD HAVING VENTURI FLOW CROWNS AND SE...
- Publication number 20200291827
- Publication date Sep 17, 2020
- Caterpillar Inc.
- Ashwin A. Hattiangadi
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
ENGINE AND GAS EXCHANGE VALVE WITH UNDER-HEAD FILLET CONTOURED FOR...
- Publication number 20200232353
- Publication date Jul 23, 2020
- Caterpillar Inc.
- Ashwin Hattiangadi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
VALVE SEAT INSERT FOR INTERNAL COMBUSTION ENGINE PROFILED TO RESIST...
- Publication number 20200149440
- Publication date May 14, 2020
- Caterpillar Inc.
- Rong Qu
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
VALVE SEAT INSERT FOR ENGINE HAVING DOUBLE-CROWNED SEATING SURFACE...
- Publication number 20200149441
- Publication date May 14, 2020
- Caterpillar Inc.
- Ashwin Hattiangadi
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
COMMON ROCKER ARM FOR HYDRAULIC LASH ADJUSTER AND NON-HYDRAULIC LAS...
- Publication number 20180334930
- Publication date Nov 22, 2018
- Caterpillar Inc.
- Ashwin A. Hattiangadi
- G05 - CONTROLLING REGULATING
Information Patent Application
Hydraulic Lash Adjuster
- Publication number 20180223701
- Publication date Aug 9, 2018
- Caterpillar Inc.
- Ashwin A. Hattiangadi
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
VALVE ACTUATION SYSTEM
- Publication number 20170089223
- Publication date Mar 30, 2017
- Caterpillar Inc.
- Indrajith KIZHAKKETHARA
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
VALVE ACTUATION SYSTEM HAVING ROCKER-LOCATED HYDRAULIC RESERVOIR
- Publication number 20160273416
- Publication date Sep 22, 2016
- Caterpillar Inc.
- Charles F. COFFEY
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Groove-Less Piston and Tapered Press Fit Hydraulic Lash Adjuster
- Publication number 20160215657
- Publication date Jul 28, 2016
- Caterpillar Inc.
- David Cyborski
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Translating Roller Lifter Design for Diesel Engines
- Publication number 20160160695
- Publication date Jun 9, 2016
- Caterpillar Inc.
- Ashwin Ashok Hattiangadi
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Hydraulic Lash Adjuster Including Band Of Radial Recirculation Open...
- Publication number 20120325171
- Publication date Dec 27, 2012
- Caterpillar, Inc.
- Edwin Henry Langewisch
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Anti-rotation Roller Valve Lifter
- Publication number 20120160195
- Publication date Jun 28, 2012
- Caterpillar Inc.
- Ashwin A. Hattiangadi
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Ashwin A. HATTIANGADI

Person

Patents Grantslast 30 patents

Stem seal for valve assembly of machine engine

Valve seat insert with soft landing insert design with contoured radii

Valve seat insert with soft landing insert design with contoured radii

Rocker assembly with a hydraulic lash adjuster

Valve seat insert with soft landing insert design with contoured radii

Valve seat insert with soft landing insert design with contoured radii

Valve seat insert for engine head having venturi flow crowns and se...

Method and system for estimating damage in an internal combustion e...

Rocker arm assembly with air venting

Lifter providing improved cam lobe lubrication

Double-crowned valve seat insert having seating surface formed of h...

Valve seat insert for high power density and high speed diesel engines

Valve seat insert for high power density and marine engines

Valve seat insert for engine having double-crowned seating surface...

Engine and gas exchange valve with under-head fillet contoured for...

Valve seat insert for long life natural gas lean burn engines

Valve seat insert for internal combustion engine profiled to resist...

Rocker arm assembly having a hydraulic lash adjuster

Common rocker arm for hydraulic lash adjuster and non-hydraulic las...

Hydraulic lash adjuster

Valve actuation system

Translating roller lifter design for diesel engines

Valve actuation system having rocker-located hydraulic reservoir

Anti-rotation roller valve lifter

Hydraulic lash adjuster including band of radial recirculation open...

Patents Applicationslast 30 patents

STEM SEAL FOR VALVE ASSEMBLY OF MACHINE ENGINE

VALVE SEAT INSERT WITH SOFT LANDING INSERT DESIGN WITH CONTOURED RADII

VALVE SEAT INSERT WITH SOFT LANDING INSERT DESIGN WITH CONTOURED RADII

VALVE SEAT INSERT WITH SOFT LANDING INSERT DESIGN WITH CONTOURED RADII

VALVE SEAT INSERT WITH SOFT LANDING INSERT DESIGN WITH CONTOURED RADII

ROCKER ARM ASSEMBLY WITH AIR VENTING

ROCKER ASSEMBLY WITH A HYDRAULIC LASH ADJUSTER

VALVE SEAT INSERT FOR HIGH POWER DENSITY AND HIGH SPEED DIESEL ENGINES

LIFTER PROVIDING IMPROVED CAM LOBE LUBRICATION

DOUBLE-CROWNED VALVE SEAT INSERT HAVING SEATING SURFACE FORMED OF H...

VALVE SEAT INSERT FOR ENGINE HEAD HAVING VENTURI FLOW CROWNS AND SE...

ENGINE AND GAS EXCHANGE VALVE WITH UNDER-HEAD FILLET CONTOURED FOR...

VALVE SEAT INSERT FOR INTERNAL COMBUSTION ENGINE PROFILED TO RESIST...

VALVE SEAT INSERT FOR ENGINE HAVING DOUBLE-CROWNED SEATING SURFACE...

COMMON ROCKER ARM FOR HYDRAULIC LASH ADJUSTER AND NON-HYDRAULIC LAS...

Hydraulic Lash Adjuster

VALVE ACTUATION SYSTEM

VALVE ACTUATION SYSTEM HAVING ROCKER-LOCATED HYDRAULIC RESERVOIR

Groove-Less Piston and Tapered Press Fit Hydraulic Lash Adjuster

Translating Roller Lifter Design for Diesel Engines

Hydraulic Lash Adjuster Including Band Of Radial Recirculation Open...

Anti-rotation Roller Valve Lifter