1
Norberto Silvi, Mark H Giammattei, Jan P Keulen, David W Woodruff, Paul R Wilson, Paul W Buckley, Norman Enoch Johnson: Method of separating a polymer from a solvent. General Electric Company, September 27, 2005: US06949622 (17 worldwide citation)

A method of separating a polymer-solvent mixture is described wherein a polymer-solvent mixture is heated prior to its introduction into an extruder comprising an upstream vent and/or a side feeder vent to allow flash evaporation of the solvent, and downstream vents for removal of remaining solvent. ...


2
David W Woodruff, Joan M Redwing: Articles having coatings of fine-grained and/or equiaxed grain structure. General Electric Company, William H Pittman, James C Davis Jr, April 24, 1990: US04920012 (15 worldwide citation)

Fine-grained and/or equiaxed tungsten and/or rhenium coatings, substantially free from columnar structure, are deposited on substrates (especially graphite) by chemical vapor deposition by directing the flow of reactant gases to the substrate with high velocity and in close proximity thereto, most o ...


3
David W Woodruff, Minyoung Lee: Focal track structures for X-ray anodes and method of preparation thereof. General Electric Company, William H Pittman, April 20, 1993: US05204891 (14 worldwide citation)

An improved high performance x-ray tube having a rotating graphite anode therein and method of preparation thereof. The surface of a graphite anode body is oxidized in air for removing the surface damage caused during the machining of the anode body. The anode body is provided with a diffusion barri ...


4
Philip G Kosky, Erik O Einset, David W Woodruff: Apparatus for chemical vapor deposition of diamond including thermal spreader. General Electric Company, William H Pittman, March 14, 1995: US05397396 (13 worldwide citation)

Temperature uniformity and control in apparatus for chemical vapor deposition of diamond is improved by contacting the rear of the substrate assembly, which may be a substrate or a holder containing substrates, with a thermal spreader, preferably of copper and preferably having heating means embedde ...


5
David W Woodruff, Minyoung Lee: Adherent focal track structures for X-ray target anodes having diffusion barrier film therein and method of preparation thereof. General Electric Company, Sudhir G Deshmukh, James C Davis Jr, William H Pittman, September 15, 1992: US05148463 (11 worldwide citation)

An improved high performance x-ray tube rotating having a graphite anode therein and method of preparation thereof. A graphite anode body is provided with a microcracked contiguously disposed diffusion barrier layer of rhenium on the surface of the anode body. An anode target layer is then deposited ...


6
David W Woodruff, Robert D Lillquist: Emissivity enhanced x-ray target. General Electric Company, Marvin Snyder, May 13, 1997: US05629970 (11 worldwide citation)

An x-ray tube target includes an annular disk having an outer surface including front and back opposite faces, and an annular focal track fixedly joined to the disk front face for producing x-rays. The disk outer surface is rough away from the focal track, with surface roughness pits having width an ...


7
Norberto Silvi, Mark H Giammattei, Jan P Keulen, David W Woodruff, Paul R Wilson, Paul W Buckley, Norman Enoch Johnson: Method of separating a polymer from a solvent. General Electric Company, Cantor Colburn, October 17, 2006: US07122619 (3 worldwide citation)

A method of separating a polymer-solvent mixture is described wherein a polymer-solvent mixture is heated prior to its introduction into an extruder comprising an upstream vent and/or a side feeder vent to allow flash evaporation of the solvent, and downstream vents for removal of remaining solvent. ...


8
Thomas R Anthony, James F Fleischer, David W Woodruff: Method for determining thickness of chemical vapor deposited layers. General Electric Company, William H Pittman, April 5, 1994: US05300313 (3 worldwide citation)

The thickness of a layer of material deposited by chemical vapor deposition, especially a diamond layer, is monitored by providing at least one substrate on which the material is deposited, with at least one perforation of a predetermined size therein. The relationship between the thickness of the l ...


9
Thomas R Fnthony, James F Fleischer, David W Woodruff: Method for determining thickness of chemical vapor deposited layers. General Electric Company, William H Pittman, December 13, 1994: US05372645 (2 worldwide citation)

The thickness of a layer of material deposited by chemical vapor deposition, especially a diamond layer, is monitored by providing at least one substrate on which the material is deposited, with at least one perforation of a predetermined size therein. The relationship between the thickness of the l ...


10
Norberto Silvi, Mark H Giammattei, Jan P Keulen, David W Woodruff, Paul R Wilson, Paul W Buckley, Norman Enoch Johnson: Method of separating a polymer from a solvent. Cantor Colburn, March 3, 2005: US20050049393-A1

A method of separating a polymer-solvent mixture is described wherein a polymer-solvent mixture is heated prior to its introduction into an extruder comprising an upstream vent and/or a side feeder vent to allow flash evaporation of the solvent, and downstream vents for removal of remaining solvent. ...