Negative stiffness

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CPC
F16F2228/063

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FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F16Engineering elements F16FSPRINGS SHOCK-ABSORBERS MEANS FOR DAMPING VIBRATION F16F2228/00Functional characteristics

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F16F2228/063Negative stiffness

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Patents Grantslast 30 patents

Information Patent Grant
Vibration damping device and elevator apparatus
- Patent number 12,227,391
- Issue date Feb 18, 2025
- Mitsubishi Electric Corporation
- Eiichi Saito
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Negative stiffness generating mechanism and quasi-zero stiffness vi...
- Patent number 12,203,526
- Issue date Jan 21, 2025
- Chongqing University
- Jun Luo
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Isolation system and method
- Patent number 12,169,012
- Issue date Dec 17, 2024
- HRL Laboratories, LLC
- David W. Shahan
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Stacked disk spring vibration isolator with increased lateral load...
- Patent number 12,129,902
- Issue date Oct 29, 2024
- Toyota Motor Engineering & Manufacturing North America, Inc.
- Paul A. Gilmore
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Vibration damping device and elevator apparatus
- Patent number 12,103,823
- Issue date Oct 1, 2024
- Mitsubishi Electric Corporation
- Eiichi Saito
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Sway amount estimation system and elevator apparatus
- Patent number 12,098,059
- Issue date Sep 24, 2024
- Mitsubishi Electric Corporation
- Eiichi Saito
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Vibration damping system and elevator apparatus
- Patent number 12,049,385
- Issue date Jul 30, 2024
- Mitsubishi Electric Corporation
- Eiichi Saito
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Voice coil motor direct-drive active vibration isolation and leveli...
- Patent number 12,034,355
- Issue date Jul 9, 2024
- GUANGDONG UNIVERSITY OF TECHNOLOGY
- Jian Gao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electromagnetic force control method of magnetic disk type negative...
- Patent number 11,859,686
- Issue date Jan 2, 2024
- Harbin Engineering University
- Guoyong Jin
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Spring with a plurality of elements, and actuator including such as...
- Patent number 11,856,861
- Issue date Dec 26, 2023
- Ecole Polytechnique Federale de Lausanne
- Jonathan Chavanne
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Vehicle seat assembly incorporating quasi-zero/negative stiffness v...
- Patent number 11,850,980
- Issue date Dec 26, 2023
- Toyota Motor Engineering & Manufacturing North America, Inc.
- Paul A. Gilmore
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Isolation system and method
- Patent number 11,841,060
- Issue date Dec 12, 2023
- HRL Laboratories, LLC
- David W. Shahan
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Test device for quasi zero stiffness isolator
- Patent number 11,821,816
- Issue date Nov 21, 2023
- Northeastern University
- Zhong Luo
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Horizontally arranged six-degree-of-freedom constant-stiffness mech...
- Patent number 11,808,319
- Issue date Nov 7, 2023
- Chongqing University
- Huayan Pu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Crankshaft arrangement comprising a torsional vibration damper
- Patent number 11,761,513
- Issue date Sep 19, 2023
- Hasse & Wrede GmbH
- Michael Steidl
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Bidirectional collapse-proof damper with macroscopic NPR structure...
- Patent number 11,739,810
- Issue date Aug 29, 2023
- Institute of Urban Safety and Environmental Science, Beijing Academy of Scien...
- Bideng Liu
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Vibration isolator with flexible housing
- Patent number 11,649,870
- Issue date May 16, 2023
- Toyota Motor Engineering & Manufacturing North America
- Paul A. Gilmore
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Isolation system and method
- Patent number 11,624,420
- Issue date Apr 11, 2023
- David W. Shahan
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Vibration damping actuator
- Patent number 11,585,404
- Issue date Feb 21, 2023
- HEFEI UNIVERSITY OF TECHNOLOGY
- Xianxu Bai
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Mechanical metamaterials as an energy shield
- Patent number 11,530,731
- Issue date Dec 20, 2022
- Arizona Board of Regents on behalf of Arizona State University
- Lingling Wu
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Isolation system and method
- Patent number 11,473,647
- Issue date Oct 18, 2022
- HRL Laboratories, LLC
- David W. Shahan
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Torsion springs with changeable stiffness
- Patent number 11,460,085
- Issue date Oct 4, 2022
- HRL Laboratories, LLC
- Andrew C. Keefe
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Vibration isolation system and lithographic apparatus
- Patent number 11,422,477
- Issue date Aug 23, 2022
- ASML Netherlands B.V.
- Roy Hendrikus Emilie Maria Jacobs
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Multi-dimensional magnetic negative-stiffness mechanism and multi-d...
- Patent number 11,255,406
- Issue date Feb 22, 2022
- Huazhong University of Science & Technology
- Wei Jiang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Vibration isolator with series and/or parallel conical disc spring...
- Patent number 11,137,045
- Issue date Oct 5, 2021
- Toyota Motor Engineering & Manufacturing North America, Inc.
- Umesh N. Gandhi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Vibration isolator and systems including same
- Patent number 10,830,307
- Issue date Nov 10, 2020
- Firestone Industrial Products Company, LLC
- Joshua R. Leonard
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Vibration isolation device, lithographic apparatus and method to tu...
- Patent number 10,782,620
- Issue date Sep 22, 2020
- ASML Netherlands B.V.
- Alexander Petrus Josephus Van Lankvelt
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Passive variable negative stiffness device and methods of use thereof
- Patent number 10,760,643
- Issue date Sep 1, 2020
- Ohio University
- Kenneth K. Walsh
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Vibration isolator mechanism with adjustable force application mech...
- Patent number 10,677,310
- Issue date Jun 9, 2020
- Toyota Motor Engineering & Manufacturing North America, Inc.
- Umesh N. Gandhi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Lattice based seat cushion to improve comfort and vibration isolation
- Patent number 10,479,246
- Issue date Nov 19, 2019
- Toyota Motor Engineering & Manufacturing North America, Inc.
- Herbert Meingast
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Crankshaft Arrangement With Torsional Vibration Damper
- Publication number 20250035183
- Publication date Jan 30, 2025
- Hasse & Wrede GmbH
- Michael STEIDL
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
AIR SPRING
- Publication number 20240229888
- Publication date Jul 11, 2024
- CARBON AIR LIMITED
- James Massaglia
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
VOICE COIL MOTOR DIRECT-DRIVE ACTIVE VIBRATION ISOLATION AND LEVELI...
- Publication number 20240171036
- Publication date May 23, 2024
- Guangdong University of Technology
- Jian GAO
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
VIBRATION CONTROL SYSTEMS
- Publication number 20240035535
- Publication date Feb 1, 2024
- BAE Systems plc
- Suleiman Mahmoud Sharkh
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
IMPROVEMENTS IN AND RELATING TO VIBRATION CONTROL SYSTEMS
- Publication number 20240035536
- Publication date Feb 1, 2024
- BAE Systems plc
- Suleiman Mahmoud Sharkh
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
IMPROVEMENTS IN AND RELATING TO VIBRATION CONTROL SYSTEMS
- Publication number 20240035537
- Publication date Feb 1, 2024
- BAE Systems plc
- Suleiman Mahmoud Sharkh
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
SYSTEM AND PROJECTION EXPOSURE APPARATUS
- Publication number 20230408934
- Publication date Dec 21, 2023
- Carl Zeiss SMT GMBH
- Marwene Nefzi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
NEGATIVE STIFFNESS GENERATING MECHANISM AND QUASI-ZERO STIFFNESS VI...
- Publication number 20230074188
- Publication date Mar 9, 2023
- CHONGQING UNIVERSITY
- Jun LUO
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
BIDIRECTIONAL COLLAPSE-PROOF DAMPER WITH MACROSCOPIC NPR STRUCTURE...
- Publication number 20230043495
- Publication date Feb 9, 2023
- Institute of Urban Safety and Environmental Science, Beijing Academy of Scien...
- Bideng Liu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Crankshaft Arrangement Comprising a Torsional Vibration Damper
- Publication number 20220412435
- Publication date Dec 29, 2022
- Hasse & Wrede GmbH
- Michael STEIDL
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Vibration Isolator Pre-Load Mechanism
- Publication number 20220299084
- Publication date Sep 22, 2022
- Toyota Motor Engineering & Manufacturing North America, Inc.
- Paul A Gilmore
- B60 - VEHICLES IN GENERAL
Information Patent Application
Stacked Disk Spring Vibration Isolator with Increased Lateral Load...
- Publication number 20220299083
- Publication date Sep 22, 2022
- Toyota Motor Engineering & Manufacturing North America, Inc.
- Paul A Gilmore
- B60 - VEHICLES IN GENERAL
Information Patent Application
HORIZONTALLY ARRANGED SIX-DEGREE-OF-FREEDOM CONSTANT-STIFFNESS MECH...
- Publication number 20220243782
- Publication date Aug 4, 2022
- CHONGQING UNIVERSITY
- Huayan PU
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
MECHANICAL METAMATERIALS AS AN ENERGY SHIELD
- Publication number 20220205508
- Publication date Jun 30, 2022
- Lingling WU
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
VEHICLE SEAT ASSEMBLY INCORPORATING QUASI-ZERO/NEGATIVE STIFFNESS V...
- Publication number 20220144152
- Publication date May 12, 2022
- Toyota Motor Engineering & Manufacturing North America, Inc.
- Paul A. Gilmore
- B60 - VEHICLES IN GENERAL
Information Patent Application
VIBRATION ISOLATOR WITH FLEXIBLE HOUSING
- Publication number 20220145958
- Publication date May 12, 2022
- Toyota Motor Engineering & Manufacturing North America, Inc.
- Paul A. Gilmore
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Electromagnetic Force Control Method of Magnetic Disk Type Negative...
- Publication number 20210310537
- Publication date Oct 7, 2021
- Harbin Engineering University
- Guoyong Jin
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
MULTI-DIMENSIONAL MAGNETIC NEGATIVE-STIFFNESS MECHANISM AND MULTI-D...
- Publication number 20210293301
- Publication date Sep 23, 2021
- HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
- Wei JIANG
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Energy Dissipation Using Negative Stiffness Shells
- Publication number 20210293295
- Publication date Sep 23, 2021
- THE CURATORS OF THE UNIVERSITY OF MISSOURI
- Mohamed EL-GAWADY
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
MATERIALS HAVING GRADED INTERNAL GEOMETRY, AND ASSOCIATED SYSTEMS A...
- Publication number 20210285512
- Publication date Sep 16, 2021
- HyperDamping, Inc.
- Ryan Lee HARNE
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
VIBRATION DAMPING DEVICE AND ELEVATOR APPARATUS
- Publication number 20210231190
- Publication date Jul 29, 2021
- Mitsubishi Electric Corporation
- Eiichi SAITO
- B66 - HOISTING LIFTING HAULING
Information Patent Application
TEST DEVICE FOR QUASI ZERO STIFFNESS ISOLATOR
- Publication number 20210131911
- Publication date May 6, 2021
- NORTHEASTERN UNIVERSITY
- Zhong LUO
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
VIBRATION DAMPING DEVICE AND ELEVATOR APPARATUS
- Publication number 20210094799
- Publication date Apr 1, 2021
- Mitsubishi Electric Corporation
- Eiichi SAITO
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Vibration Isolation System and Lithographic Apparatus
- Publication number 20210080835
- Publication date Mar 18, 2021
- ASML NETHERLANDS B.V.
- Roy Hendrikus Emilie Maria JACOBS
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
VIBRATION ISOLATOR AND SYSTEMS INCLUDING SAME
- Publication number 20200049228
- Publication date Feb 13, 2020
- FIRESTONE INDUSTRIAL PRODUCTS COMPANY, LLC
- Joshua R. Leonard
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
VIBRATION ISOLATOR MECHANISM WITH ADJUSTABLE FORCE-DEFLECTION CHARA...
- Publication number 20190186588
- Publication date Jun 20, 2019
- Toyota Motor Engineering & Manufacturing North America, Inc.
- Umesh N. Gandhi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
VIBRATION ISOLATOR MECHANISM WITH ADJUSTABLE FORCE APPLICATION MECH...
- Publication number 20190186587
- Publication date Jun 20, 2019
- Toyoto Motor Engineering & Manufacturing North America, Inc.
- Umesh N. Gandhi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
VIBRATION ISOLATOR WITH SERIES AND/OR PARALLEL CONICAL DISC SPRING...
- Publication number 20190186589
- Publication date Jun 20, 2019
- Toyota Motor Engineering & Manufacturing North America, Inc.
- Umesh N. Gandhi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
PASSIVE VARIABLE NEGATIVE STIFFNESS DEVICE AND METHODS OF USE THEREOF
- Publication number 20190040931
- Publication date Feb 7, 2019
- Ohio University
- Kenneth K. Walsh
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
ADJUSTABLE NEGATIVE STIFFNESS MECHANISMS
- Publication number 20180195571
- Publication date Jul 12, 2018
- HRL LABORATORIES, LLC
- Christopher B. Churchill
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Negative stiffness

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Vibration damping device and elevator apparatus

Negative stiffness generating mechanism and quasi-zero stiffness vi...

Isolation system and method

Stacked disk spring vibration isolator with increased lateral load...

Vibration damping device and elevator apparatus

Sway amount estimation system and elevator apparatus

Vibration damping system and elevator apparatus

Voice coil motor direct-drive active vibration isolation and leveli...

Electromagnetic force control method of magnetic disk type negative...

Spring with a plurality of elements, and actuator including such as...

Vehicle seat assembly incorporating quasi-zero/negative stiffness v...

Isolation system and method

Test device for quasi zero stiffness isolator

Horizontally arranged six-degree-of-freedom constant-stiffness mech...

Crankshaft arrangement comprising a torsional vibration damper

Bidirectional collapse-proof damper with macroscopic NPR structure...

Vibration isolator with flexible housing

Isolation system and method

Vibration damping actuator

Mechanical metamaterials as an energy shield

Isolation system and method

Torsion springs with changeable stiffness

Vibration isolation system and lithographic apparatus

Multi-dimensional magnetic negative-stiffness mechanism and multi-d...

Vibration isolator with series and/or parallel conical disc spring...

Vibration isolator and systems including same

Vibration isolation device, lithographic apparatus and method to tu...

Passive variable negative stiffness device and methods of use thereof

Vibration isolator mechanism with adjustable force application mech...

Lattice based seat cushion to improve comfort and vibration isolation

Patents Applicationslast 30 patents

Crankshaft Arrangement With Torsional Vibration Damper

AIR SPRING

VOICE COIL MOTOR DIRECT-DRIVE ACTIVE VIBRATION ISOLATION AND LEVELI...

VIBRATION CONTROL SYSTEMS

IMPROVEMENTS IN AND RELATING TO VIBRATION CONTROL SYSTEMS

IMPROVEMENTS IN AND RELATING TO VIBRATION CONTROL SYSTEMS

SYSTEM AND PROJECTION EXPOSURE APPARATUS

NEGATIVE STIFFNESS GENERATING MECHANISM AND QUASI-ZERO STIFFNESS VI...

BIDIRECTIONAL COLLAPSE-PROOF DAMPER WITH MACROSCOPIC NPR STRUCTURE...

Crankshaft Arrangement Comprising a Torsional Vibration Damper

Vibration Isolator Pre-Load Mechanism

Stacked Disk Spring Vibration Isolator with Increased Lateral Load...

HORIZONTALLY ARRANGED SIX-DEGREE-OF-FREEDOM CONSTANT-STIFFNESS MECH...

MECHANICAL METAMATERIALS AS AN ENERGY SHIELD

VEHICLE SEAT ASSEMBLY INCORPORATING QUASI-ZERO/NEGATIVE STIFFNESS V...

VIBRATION ISOLATOR WITH FLEXIBLE HOUSING

Electromagnetic Force Control Method of Magnetic Disk Type Negative...

MULTI-DIMENSIONAL MAGNETIC NEGATIVE-STIFFNESS MECHANISM AND MULTI-D...

Energy Dissipation Using Negative Stiffness Shells

MATERIALS HAVING GRADED INTERNAL GEOMETRY, AND ASSOCIATED SYSTEMS A...

VIBRATION DAMPING DEVICE AND ELEVATOR APPARATUS

TEST DEVICE FOR QUASI ZERO STIFFNESS ISOLATOR

VIBRATION DAMPING DEVICE AND ELEVATOR APPARATUS

Vibration Isolation System and Lithographic Apparatus

VIBRATION ISOLATOR AND SYSTEMS INCLUDING SAME

VIBRATION ISOLATOR MECHANISM WITH ADJUSTABLE FORCE-DEFLECTION CHARA...

VIBRATION ISOLATOR MECHANISM WITH ADJUSTABLE FORCE APPLICATION MECH...

VIBRATION ISOLATOR WITH SERIES AND/OR PARALLEL CONICAL DISC SPRING...

PASSIVE VARIABLE NEGATIVE STIFFNESS DEVICE AND METHODS OF USE THEREOF

ADJUSTABLE NEGATIVE STIFFNESS MECHANISMS