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MARTIN MARIETTA CORP

Overview
  • Total Patents
    1,990
About

MARTIN MARIETTA CORP has a total of 1,990 patent applications. Its first patent ever was published in 1946. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets materials and metallurgy, machines and machine tools are FANSTEEL METALLURGICAL CORP, BRUSH WELLMAN and ALMT CORP.

Patent filings per year

Chart showing MARTIN MARIETTA CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Christodoulou Leontios 60
#2 Nagle Dennis Charles 41
#3 Brupbacher John Michael 35
#4 Nagle Dennis C 35
#5 Pickens Joseph Robert 28
#6 Brupbacher John M 25
#7 Heubaum Frank Herbert 24
#8 Kramer Lawrence Stevenson 23
#9 Geselbracht Gordon A 19
#10 Langan Timothy James 18

Latest patents

Publication Filing date Title
US2011269610A1 System and Method for Assembly of Packettes Having Closures
US2011265429A1 System and Method for Assembly of Packettes Having Closures
US2005011794A1 Product sampler packet assembly with enhanced burst strength and method of manufacture
US5835901A Perceptive system including a neural network
US5709138A Method and apparatus for precision cutting of fibers
US5661484A Multi-fiber species artificial dielectric radar absorbing material and method for producing same
US5633995A Camera system and methods for extracting 3D model of viewed object
US5701010A Dual band polarity reversing multiplexer
US5566382A Mutiple-clock controlled spatial light modulator
US5801970A Model-based feature tracking system
EP0718496A2 A variable assist electro-hydraulic system
US5586579A Combination ball valve and pressure relief valve assembly
US5647573A High pressure fluid valve assembly
US5770868A GaAs substrate with compositionally graded AlGaAsSb buffer for fabrication of high-indium fets
US5828335A Spacecraft communication channel power control system
US5642617A Continuously variable hydrostatic transmission with neutral-setting hydraulic circuit
US5687933A Attitude control for spacecraft with movable appendages such as solar panels
US5592441A High-gain directional transducer array
US5646847A Universal thruster selection logic for spacecraft attitude control
US5850993A Spacecraft thruster operation for improved orbital maneuver accuracy