Jeff Duvall

Person

Woodstock, GA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Elevator counterweight mounted governor assemblies
- Patent number 12,116,242
- Issue date Oct 15, 2024
- TK Elevator Innovation and Operations GmbH
- Jeffrey Shawn Duvall
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Tension equalizing traction sheave assembly for elevator assemblies
- Patent number 12,043,518
- Issue date Jul 23, 2024
- TK Elevator Innovation and Operations GmbH
- Jeffrey Shawn Duvall
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Stabilizing assemblies and methods of use thereof
- Patent number 11,834,300
- Issue date Dec 5, 2023
- TK Elevator Innovation and Operations GmbH
- Jeffrey Shawn Duvall
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Counterweight slack belt detection switch
- Patent number 11,198,588
- Issue date Dec 14, 2021
- TK Elevator Innovation and Operations GmbH
- Justin Charles Morse
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Elevator sheave assembly
- Patent number 11,059,699
- Issue date Jul 13, 2021
- TK Elevator Innovation and Operations GmbH
- Jeffrey Duvall
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Automatic rope tension equalizer system and method
- Patent number 10,889,470
- Issue date Jan 12, 2021
- THYSSENKRUPP ELEVATOR CORPORATION
- Jeffrey Duvall
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
High speed bearing assembly for elevator safety gear and methods of...
- Patent number 10,597,257
- Issue date Mar 24, 2020
- Thyssenkrupp Elevator AG
- Jeffrey Duvall
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Elevator brake pad mounting systems and methods for making and usin...
- Patent number 10,309,475
- Issue date Jun 4, 2019
- Thyssenkrupp Elevator AG
- Jeffrey Duvall
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Elevator safety clamping jaw
- Patent number 10,071,882
- Issue date Sep 11, 2018
- ThyssenKrupp AG
- Jeff Duvall
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
ELEVATOR COUNTERWEIGHT MOUNTED GOVERNOR ASSEMBLIES
- Publication number 20240228230
- Publication date Jul 11, 2024
- TK Elevator Innovation and Operations GmbH
- JEFFREY SHAWN DUVALL
- B66 - HOISTING LIFTING HAULING
Information Patent Application
ELEVATOR COUNTERWEIGHT MOUNTED GOVERNOR ASSEMBLIES
- Publication number 20240132327
- Publication date Apr 25, 2024
- TK Elevator Innovation and Operations GmbH
- JEFFREY SHAWN DUVALL
- B66 - HOISTING LIFTING HAULING
Information Patent Application
STABILIZING ASSEMBLIES AND METHODS OF USE THEREOF
- Publication number 20230047079
- Publication date Feb 16, 2023
- TK Elevator Innovation and Operations GmbH
- Jeffrey Shawn Duvall
- B66 - HOISTING LIFTING HAULING
Information Patent Application
COUNTERWEIGHT SLACK BELT DETECTION SWITCH
- Publication number 20200002129
- Publication date Jan 2, 2020
- ThyssenKrupp Elevator AG
- Justin Charles Morse
- B66 - HOISTING LIFTING HAULING
Information Patent Application
Elevator Sheave Assembly
- Publication number 20190263631
- Publication date Aug 29, 2019
- THYSSENKRUPP AG
- Jeffrey Duvall
- B66 - HOISTING LIFTING HAULING
Information Patent Application
AUTOMATIC ROPE TENSION EQUALIZER SYSTEM AND METHOD
- Publication number 20190177127
- Publication date Jun 13, 2019
- ThyssenKrupp Elevator Corporation
- JEFFREY DUVALL
- B66 - HOISTING LIFTING HAULING
Information Patent Application
ELEVATOR BRAKE PAD MOUNTING SYSTEMS AND METHODS FOR MAKING AND USIN...
- Publication number 20180252285
- Publication date Sep 6, 2018
- ThyssenKrupp Elevator AG
- JEFFREY DUVALL
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
HIGH SPEED BEARING ASSEMBLY FOR ELEVATOR SAFETY GEAR AND METHODS OF...
- Publication number 20180251339
- Publication date Sep 6, 2018
- ThyssenKrupp Elevator AG
- JEFFREY DUVALL
- B66 - HOISTING LIFTING HAULING
Information Patent Application
Elevator Safety Clamping Jaw
- Publication number 20160137456
- Publication date May 19, 2016
- ThyssenKrupp Elevator AG and ThyssenKrupp AG
- Jeff Duvall
- B66 - HOISTING LIFTING HAULING

Jeff Duvall

Person

Patents Grantslast 30 patents

Elevator counterweight mounted governor assemblies

Tension equalizing traction sheave assembly for elevator assemblies

Stabilizing assemblies and methods of use thereof

Counterweight slack belt detection switch

Elevator sheave assembly

Automatic rope tension equalizer system and method

High speed bearing assembly for elevator safety gear and methods of...

Elevator brake pad mounting systems and methods for making and usin...

Elevator safety clamping jaw

Patents Applicationslast 30 patents

ELEVATOR COUNTERWEIGHT MOUNTED GOVERNOR ASSEMBLIES

ELEVATOR COUNTERWEIGHT MOUNTED GOVERNOR ASSEMBLIES

STABILIZING ASSEMBLIES AND METHODS OF USE THEREOF

COUNTERWEIGHT SLACK BELT DETECTION SWITCH

Elevator Sheave Assembly

AUTOMATIC ROPE TENSION EQUALIZER SYSTEM AND METHOD

ELEVATOR BRAKE PAD MOUNTING SYSTEMS AND METHODS FOR MAKING AND USIN...

HIGH SPEED BEARING ASSEMBLY FOR ELEVATOR SAFETY GEAR AND METHODS OF...

Elevator Safety Clamping Jaw