Martin M. Gram

Person

St. Louis Park, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Torque transfer coupling
- Patent number 8,485,048
- Issue date Jul 16, 2013
- MTS Systems Corporation
- John A. Bushey
- G01 - MEASURING TESTING
Information Patent Grant
Wind turbine drive train test assembly
- Patent number 8,453,522
- Issue date Jun 4, 2013
- MTS Systems Corporation
- John A. Bushey
- G01 - MEASURING TESTING
Information Patent Grant
Blast simulator with high velocity actuator
- Patent number 7,726,124
- Issue date Jun 1, 2010
- MTS Systems Corporation
- Martin M. Gram
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Test specimen holder
- Patent number 5,945,607
- Issue date Aug 31, 1999
- MTS Systems Corporation
- Greg A. Peppel
- G01 - MEASURING TESTING
Information Patent Grant
Mass oscillator having an adjustable gas spring
- Patent number 5,491,306
- Issue date Feb 13, 1996
- MTS Systems Corporation
- Martin M. Gram
- G01 - MEASURING TESTING
Information Patent Grant
Material testing system providing simultaneous force loads
- Patent number 5,425,276
- Issue date Jun 20, 1995
- MTS Systems Corporation
- Martin M. Gram
- G01 - MEASURING TESTING
Information Patent Grant
Pressure vessel fatigue test system
- Patent number 4,905,502
- Issue date Mar 6, 1990
- MTS Systems Corporation
- Martin M. Gram
- G01 - MEASURING TESTING
Information Patent Grant
Screw-driven actuator for test frame
- Patent number 4,869,112
- Issue date Sep 26, 1989
- MTS Systems Corporation
- Martin M. Gram
- G01 - MEASURING TESTING
Information Patent Grant
Self aligning test grip
- Patent number 4,843,888
- Issue date Jul 4, 1989
- MTS Systems Corporation
- Martin M. Gram
- G01 - MEASURING TESTING
Information Patent Grant
Preloading clamp
- Patent number 4,809,556
- Issue date Mar 7, 1989
- MTS Systems Corporation
- Martin M. Gram
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Load frame crosshead construction
- Patent number 4,478,086
- Issue date Oct 23, 1984
- MTS Systems Corporation
- Martin M. Gram
- G01 - MEASURING TESTING
Information Patent Grant
Hydraulic press
- Patent number 4,470,787
- Issue date Sep 11, 1984
- MTS Systems Corporation
- Martin M. Gram
- B30 - PRESSES
Information Patent Grant
Hydraulic press
- Patent number 4,457,684
- Issue date Jul 3, 1984
- MTS Systems Corporation
- Martin M. Gram
- B30 - PRESSES
Information Patent Grant
Tension-compression swivel joint with hydraulic force reaction
- Patent number 4,318,572
- Issue date Mar 9, 1982
- MTS Systems Corporation
- Rick B. Noha
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
High volume poppet valve with orifice opening speed control
- Patent number 4,290,343
- Issue date Sep 22, 1981
- MTS Systems Corporation
- Martin M. Gram
- G01 - MEASURING TESTING
Information Patent Grant
Rapid opening, high flow control valve for hydraulic actuator
- Patent number 4,274,290
- Issue date Jun 23, 1981
- MTS Systems Corporation
- Martin M. Gram
- G01 - MEASURING TESTING
Information Patent Grant
Adjustable space frame for testing machine
- Patent number 4,063,453
- Issue date Dec 20, 1977
- MTS Systems Corporation
- Martin M. Gram
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
TORQUE TRANSFER COUPLING
- Publication number 20110028224
- Publication date Feb 3, 2011
- MTS Systems
- John A. Bushey
- G01 - MEASURING TESTING
Information Patent Application
WIND TURBINE DRIVE TRAIN TEST ASSEMBLY
- Publication number 20110023629
- Publication date Feb 3, 2011
- MTS Systems Corporation
- John A. Bushey
- G01 - MEASURING TESTING
Information Patent Application
Blast simulator with high velocity actuator
- Publication number 20080190286
- Publication date Aug 14, 2008
- MTS Systems Corporation
- Martin M. Gram
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
Lock-up device
- Publication number 20030024382
- Publication date Feb 6, 2003
- Martin M. Gram
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Martin M. Gram

Person

Patents Grantslast 30 patents

Torque transfer coupling

Wind turbine drive train test assembly

Blast simulator with high velocity actuator

Test specimen holder

Mass oscillator having an adjustable gas spring

Material testing system providing simultaneous force loads

Pressure vessel fatigue test system

Screw-driven actuator for test frame

Self aligning test grip

Preloading clamp

Load frame crosshead construction

Hydraulic press

Hydraulic press

Tension-compression swivel joint with hydraulic force reaction

High volume poppet valve with orifice opening speed control

Rapid opening, high flow control valve for hydraulic actuator

Adjustable space frame for testing machine

Patents Applicationslast 30 patents

TORQUE TRANSFER COUPLING

WIND TURBINE DRIVE TRAIN TEST ASSEMBLY

Blast simulator with high velocity actuator

Lock-up device