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| Number | Title | Issue Date |
| 4054449 | Process of making a composite heavy-duty powdered machine element A composite heavy-duty machine element such as a face gear (FIG. 7), a spur or helical gear (FIG. 14), or ball bearing races (FIG. 18), has its working or load bearing portion composed of sintered powdered high-performance alloy while its supporting porti... | 10/18/1977 |
| 4045857 | Method for manufacture of aluminum sheet and sintered high-density aluminum laminate by direct powder rolling process An aluminum sheet having a prescribed thickness is obtained by compacting aluminum powder into a green sheet of packed aluminum powder, sintering the green sheet at temperatures of 300° C to 600° C and subsequently rolling and annealing the sintered she... | 09/06/1977 |
| 4039703 | Method for producing a tubular multi-layered porous barrier A method for producing a tubular multi-layered porous barrier comprising the step of depositing fine powder onto at least one of the inner and outer surfaces of a sintered tubular porous support member in a layer of uniform thickness to form a fine powder... | 08/02/1977 |
| 4032335 | Process for making metallic, molded composite bodies A process for producing composite bodies consisting of discrete particles, embedded in a metallic embedding material, in which the particles are positioned relative to the embedding material and the resulting composite is subjected to isostatic compressio... | 06/28/1977 |
| 4030919 | Continuous method of and apparatus for making bars from powdered metal Powdered metal is continuously introduced into a horizontally disposed die cavity in discrete quantities and compacted into bar segments to form a bar. The cavity has a fixed cross-sectional area and is open at both ends, except during the initial compact... | 06/21/1977 |
| 4029476 | Brazing alloy compositions A brazing alloy is provided consisting essentially by weight of about 30 to 50% copper, about 10 to 20% manganese, about 3 to 25% iron, about 0.5 to 4% silicon, about 0.5 to 2% boron and the balance essentially nickel.... | 06/14/1977 |
| 4025337 | Continuous method of and apparatus for making bars from powdered metal Powdered metal is continuously introduced into a die cavity in discrete quantities and compacted into bar segments to form a bar. The cavity has a fixed cross-sectional area and is open at both ends, except during the initial compaction when one end is cl... | 05/24/1977 |
| 4008520 | Contact member and method of manufacture A contact member for high electrical loads has a plurality of component parts. One of these parts is made of a non-welding material resistant to burn-off and another part is made of a solderable material having electrically conductive properties. The mate... | 02/22/1977 |
| 3984044 | Retention means for mechanical separation and process of making same A sintered filter element for mechanically separating suspended matter from a liquid or gaseous fluid medium to clarify same, comprising at least two laminated, porous, plate-like filter structures having relatively large planar front and rear surfaces jo... | 10/05/1976 |
| 3937618 | Method for producing bi-metal object and product thereof A method is provided for producing a bi-metal object comprised of at least one image area raised in relief on the base of the object. The area in relief and the base of the object consist of different metals. The method comprises compacting the metal powd... | 02/10/1976 |
