Inventor
GRAM MARTIN M
17 patents
⚠️ This page may combine multiple inventors who share the name “GRAM MARTIN M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MTS SYSTEM CORP
15 patentsUS4478086AOct 23, 1984
Load frame crosshead construction
MTS SYSTEM CORP79 citations96
US4290343ASep 22, 1981
High volume poppet valve with orifice opening speed control
MTS SYSTEM CORP58 citations96
US4905502AMar 6, 1990
Pressure vessel fatigue test system
MTS SYSTEM CORP27 citations92
US4457684AJul 3, 1984
Hydraulic press
MTS SYSTEM CORP35 citations92
US5425276AJun 20, 1995
Material testing system providing simultaneous force loads
MTS SYSTEM CORP75 citations91
US5945607AAug 31, 1999
Test specimen holder
MTS SYSTEM CORP51 citations87
US4869112ASep 26, 1989
Screw-driven actuator for test frame
MTS SYSTEM CORP46 citations87
US4470787ASep 11, 1984
Hydraulic press
MTS SYSTEM CORP23 citations82
US4843888AJul 4, 1989
Self aligning test grip
MTS SYSTEM CORP22 citations77
US5491306AFeb 13, 1996
Mass oscillator having an adjustable gas spring
MTS SYSTEM CORP14 citations73
US4063453ADec 20, 1977
Adjustable space frame for testing machine
MTS SYSTEM CORP14 citations73
US4318572AMar 9, 1982
Tension-compression swivel joint with hydraulic force reaction
MTS SYSTEM CORP16 citations66
US7726124B2Jun 1, 2010
Blast simulator with high velocity actuator
MTS SYSTEM CORP2 citations62
US4809556AMar 7, 1989
Preloading clamp
MTS SYSTEM CORP3 citations62
US4274290AJun 23, 1981
Rapid opening, high flow control valve for hydraulic actuator
MTS SYSTEM CORP6 citations62