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| Number | Title | Issue Date |
| 6602793 | Pre-clean chamber An improved pre-clean chamber of a semiconductor processing system minimizes the generation of particulates during processing, thereby decreasing contamination levels that can adversely affect plasma vapor deposition film properties while also decreasing ... | 08/05/2003 |
| 6398047 | End sill assembly with center plate casting An extended end-sill assembly for a railcar, which assembly is produced by mating a front-sill casting and back-sill casting having a transition region therebetween wherein the endsill includes a cast-in-place center plate, a support arrangement for a cus... | 06/04/2002 |
| 6305298 | Light weight draft sill The present invention provides a lightweight draft sill end casting for use with railroad cars. The cast draft sill has side walls, front and rear stops, front and rear rib sets and a center plate that are cast as a unit. The draft sill has an open area b... | 10/23/2001 |
| 5931101 | Light weight draft sill The present invention provides a lightweight draft sill end casting for use with railroad cars. Weight reductions are achieved and adequate strength is maintained by using a set of front ribs and back ribs, with angled top and bottom ribs. The back rib se... | 08/03/1999 |
| 5135117 | Combination railway car draft gear stop and bolster spacer plate apparatus The present invention provides a combination rear draft stop and bolster spacer plate apparatus which includes a rear wall portion, a pair of side wall portions connected along a rear edge thereof to a respective outer edge of the rear wall portion. There... | 08/04/1992 |
| 5114027 | Cast blockout apparatus for a draft gear pocket A castable draft gear pocket blockout apparatus for use in retrofitting slackless drawbar coupler assemblies to existing railroad cars having draft gear pockets, the blockout apparatus being a cast metallic structure having a web, a top flange and a botto... | 05/19/1992 |
| 4744308 | Combined center plate/center filler for railway freight cars A combined center plate/center filler construction for the underframe of a railway car is provided with sloped, corner circumferential sections at the upper portion of the center plate to allow for the complete welding of the center plate to the undersurf... | 05/17/1988 |
| 4359003 | Railway car center filler A modular center filler for railway vehicles comprising an inverted U-shaped core member fitted between front and rear cover plates and securely attached to a bottom cover plate to which a center plate is attached. Downwardly extending legs of the core ar... | 11/16/1982 |
| 4252068 | Cast draft sill A unitary cast draft sill for welding to the center sill of a railroad car comprises a unitary cast structure with the following elements and features: A horizontal top wall has a pair of side walls depending therefrom with a bottom portion having flanges... | 02/24/1981 |
| 4206710 | Railway car center plate filler arrangement A modular center filler and center plate may be constructed as a unit away from the car and adapted for connection to the center sill webs of a railway vehicle. The center filler has a thick bottom plate which extends beneath the center sill and has pairs... | 06/10/1980 |
| 4180001 | Center filler for railway vehicle A modular rear draft lug and center filler construction for railway vehicles comprising a pair of rear draft lugs which extend from the draft sill area along each side of the inside of the center sill and continue through the center filler area to rear dr... | 12/25/1979 |
| 4168665 | Covered hopper car corrugated bolster web construction In accordance with the present structure, in a railway hopper car a corrugated bolster web extends vertically between a bolster cover plate and the end hopper slope sheet. The vertically extending corrugations act as reinforcements in the web which web ha... | 09/25/1979 |
| 4130068 | Center filler for railway cars A center filler arrangement for railway vehicles provides a large center filler bottom lug welded in position and having mounting recesses for front and rear center filler plates to interconnect the side webs of a center sill to provide a rigid, dimension... | 12/19/1978 |
| 3985235 | Center filler, center plate construction for railway vehicles A fabricated center filler and center plate construction for the underframe of a railway car in the area where the body bolster intersects the center sill. The fabricated center filler includes four interconnected, vertical walls and a bottom floor plate ... | 10/12/1976 |
| 3973681 | Transition casting for use in sills of freight cars The invention relates to railway cars having a tubular-like sill in the underframe and a standard Z type draft sill at each end and a transition sill telescoping into and connecting the draft sill to the tubular sill.... | 08/10/1976 |
