Patents
Patents for C22C 27 - Alloys based on rhenium or a refractory metal not mentioned in groups or (3,486)
06/1990
06/05/1990CA2002635A1 Hafnium containing high temperature alloy
06/05/1990CA2002633A1 Hafnium containing niobium, titanium, aluminum high temperature alloy
06/05/1990CA2002632A1 Chromium containing high temperature alloy
05/1990
05/23/1990EP0369114A1 Process for manufacturing alloyed tungsten rods
05/09/1990EP0366709A1 Corrosion resistant tantalum and tungsten alloys
05/09/1990CN1007911B Processing method and installation used for production of tungsten-cerium electrode material
05/08/1990US4923673 Compaction and sintering with lanthanum oxide; low energy; workability
04/1990
04/25/1990CN1041556A Rare earth tungsten electrode material and its production method
03/1990
03/21/1990CN1007281B Gearing for mining machine
03/13/1990US4908182 Tungsten, transition metal element, rare earth or actinide element, silicon, boron, germanium, or aluminum
02/1990
02/27/1990US4904546 Material system for high temperature jet engine operation
01/1990
01/30/1990US4897117 Hardened penetrators
01/08/1990EP0336944A4 Copper-tungsten metal mixture and process.
01/03/1990EP0349446A1 Process for directly forming and for optimizing the characteristics of armour-piercing projectiles made of high-density tungsten alloys
01/03/1990EP0348858A1 Metal coating for environmental protection of refractory metal components of jet engines
12/1989
12/13/1989EP0345599A1 Low density high strength alloys for use at high temperatures
12/13/1989CN1005732B W-ce electrode material, preparation technology and uses thereof
12/05/1989US4885031 Fine grain tungsten heavy alloys containing additives
11/1989
11/21/1989US4882519 Discharge electrode material composed of yttrium and rhenium or ruthenium
11/14/1989US4880482 Highly corrosion-resistant amorphous alloy
11/01/1989CN1036802A Processing method and installation used for production of tungsten-cerium electrode material
10/1989
10/31/1989US4876893 A base plate of dielectrics and coated with thin alloy film of nonmagnetic substance
10/18/1989EP0336944A1 Copper-tungsten metal mixture and process
10/04/1989EP0334981A1 Discharge electrode material
09/1989
09/12/1989US4865644 Superconducting niobium alloys
08/1989
08/22/1989US4859257 Additives of silicon and metal oxides
08/10/1989WO1989007159A1 Metallic object, in particular gas turbine blade with protective coating
08/09/1989EP0326713A1 Improved tungsten nickel iron alloys
07/1989
07/18/1989US4849205 Hydrogen storage hydride electrode materials
07/12/1989EP0323628A1 Fine grain tungsten heavy alloys containing additives
07/11/1989US4846885 High molybdenum nickel-base alloy
07/05/1989CN1033651A Heavy tungsten-nickel-iron alloys with very high mechanical characteristics and process for production of said alloys
07/04/1989CA1256671A1 Heat recovery from concentrated sulfuric acid
06/1989
06/13/1989US4839085 Method of manufacturing tough and porous getters by means of hydrogen pulverization and getters produced thereby
06/06/1989US4836849 Oxidation resistant niobium alloy
05/1989
05/09/1989US4828656 High performance electrodeposited chromium layers
05/02/1989CA1253361A1 Means for maintaining the vacuum in the vacuum jacket of thermally insulated vessels
04/1989
04/26/1989EP0313484A1 Tungsten-nickel-iron high-density alloys with very high mechanical properties, and process for manufacturing these alloys
04/06/1989WO1989002803A1 Copper-tungsten metal mixture and process
03/1989
03/08/1989EP0305766A2 Discontinuous fiber and particulate reinforced refractory metal composite
02/1989
02/22/1989EP0304181A1 High density tungsten-nickel-iron-cobalt alloys having improved hardness, and method for making them
02/22/1989EP0303957A1 Corrosion resisting alloy and corrosion resisting member
02/22/1989EP0172852B1 High temperature resistant molybdenum alloy
02/22/1989CN1031258A Moulding stock of molybdenum-based metall-ceramic used for hot rolling
02/22/1989CN1031257A Process for reduction of dispersion of mechanical characteristic values of tungsten-nickel-iron alloy
01/1989
01/31/1989CA1249454A1 Hydrogen storage materials and methods of sizing and preparing the same for electrochemical applications
01/24/1989US4799977 Alloys of group 5b metals and metals of group 4b and/or 6b; surface hardness; wear, corrosion and heat resistances
12/1988
12/28/1988EP0297061A2 Vacuum insulated superconducting electrical conductor employing a getter device
12/28/1988EP0297001A1 Process for decreasing the range of values of the mechanical characteristics of tungsten-nickel-iron alloys
12/15/1988WO1988009827A1 Corrosion resistant tantalum and tungsten alloys
12/15/1988DE3718778A1 Alloy and use thereof
11/1988
11/29/1988US4788627 Of tungsten, copper, and nickel
11/22/1988US4786468 Corrosion resistant tantalum and tungsten alloys
11/02/1988EP0288678A2 Oxidation resistant niobium alloy
10/1988
10/11/1988US4776899 Method of fabricating multifilament superconductors
10/05/1988EP0285130A1 Sputtering target
09/1988
09/14/1988CN87101772A High melting contact alloy for electrical switch
09/06/1988CA1241554A1 Wear-resistant amorphous materials and articles and process for preparation thereof
08/1988
08/31/1988CN88100717A High performance electrodeposited chromium layers
08/30/1988US4767470 Heat treating; magnetism
08/17/1988EP0278044A1 High performance electrodeposited chromium layers
08/16/1988US4764435 Brazing
08/16/1988US4764225 Nickel based; oxidation and corrosion resistance; protective aluminum-rich surface oxide
08/11/1988WO1988005834A1 High performance electrodeposited chromium layers
08/09/1988US4762559 High density tungsten-nickel-iron-cobalt alloys having improved hardness and method for making same
08/09/1988CA1240177A1 Hydrogen storage materials of zirconium-chromium-iron and optionally titanium alloys characterized by zrcr.sub.2 stoichiometry
08/02/1988CA1239810A1 Mo-ti members with non-metallic sintering aids
07/1988
07/27/1988EP0275580A1 Molybdenum base alloy and lead-in wire made therefrom
07/05/1988US4755712 Molybdenum base alloy and lead-in wire made therefrom
05/1988
05/10/1988US4743513 Wear-resistant amorphous materials and articles, and process for preparation thereof
03/1988
03/01/1988US4728493 Chromium based corrosion resistant hard-facing alloy
01/1988
01/21/1988DE3621569A1 Chromium-aluminium-iron alloy thin strip mfr. - used as catalyst support material by rapidly cooling on moving surface
01/19/1988CA1231561A1 Hard metal composition
01/19/1988CA1231559A1 Iron-base alloy materials having excellent workability
01/05/1988US4717551 Low activation temperature
01/05/1988US4717538 Isothermal forging dies
12/1987
12/23/1987EP0249792A1 Use of a nickel alloy containing chromium
12/17/1987WO1987007650A1 Target made of highly pure metallic tantalum and process for its production
12/09/1987EP0248258A2 Improved heat sink device using composite metal alloy
11/1987
11/17/1987CA1229204A1 Wear and corrosion resistant coatings and method for producing the same
10/1987
10/20/1987US4701226 Corrosion resistant amorphous chromium-metalloid alloy compositions
10/15/1987DE3701212A1 Tungsten electrode material
10/13/1987US4700224 Method of image processing for the measurement of tool wear
09/1987
09/29/1987US4696703 Corrosion resistant amorphous chromium alloy compositions
09/03/1987DE3643571A1 Wear-resistant tungsten electrode material for TIG welding
08/1987
08/11/1987CA1225205A1 High strength, wear and corrosion resistant coatings and method for producing the same
08/11/1987CA1225204A1 Wear and corrosion resistant coatings applied at high deposition rates
07/1987
07/29/1987CN87100348A Method for manufacture of mo-iron from mo ore
07/07/1987US4678718 Nonradioactive
06/1987
06/30/1987CA1223551A1 Composite electrode of uo.sub.2-w, gd.sub.2 o.sub.3 (ceo.sub.2)-mo, zro.sub.2 (y.sub.2o.sub.3)-w, ceo.sub.2-mo
06/24/1987CN85109070A Making method of niobium alloy
06/09/1987CA1222646A1 Metallic glasses having a combination of high permeability, low coercivity, low ac core loss, low exciting power and high thermal stability
04/1987
04/21/1987CA1220613A1 Hydrogen storage materials of hyperstoichiometric alloys
04/14/1987US4657735 Mo-Hf-C alloy composition
03/1987
03/04/1987CN85106080A Gearing for mining machine
02/1987
02/04/1987EP0210779A1 Corrosion resistant amorphous chromium alloy compositions
01/1987
01/21/1987EP0209341A1 Corrosion resistant amorphous cromium-metalloid alloy compositions
01/14/1987CN86104791A Corrosion resistant amorphous chromium alloy compostions
01/14/1987CN86104544A Corrosion resistant amorphous chromium-metalloid alloy composition
12/1986
12/17/1986EP0204909A1 Electrode material for a spar gap assembly
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