1
Schaefer Carl F: Collimated viewing system. United Aircraft Corporation, June 29, 1971: US3589796 (20 worldwide citation)

An optical system for presenting an observer at a viewing position with a view of the outside scene and with a view of an image of an interior scene in which an image combiner mounted between the viewing position and the outside scene forms a negative lens and a positive mirror with relation to a ca ...


2
Berg Morris, Johnston William J, Schaefer Carl F: Ceramic filters for diesel exhaust particulates and methods for making such filters. Gen Motors, July 10, 1981: FR2473112-A1 (2 worldwide citation)

Diesel exhaust particulates are trapped by a filter element comprising a cylindrical or rectangular block of porous ceramic with inlet and outlet channels therein separated by filtering walls. The element is cleaned by heating in a furnace or in situ by heating the exhaust gas to incinerate the soli ...


3
Berg Morris, Johnston William J, Schaefer Carl F: Filtres en ceramique pour particules imbrules dans les gaz dechappement de moteurs diesel et methode de fabrication, Ceramic filters for diesel exhaust particulates and methods of making. General Motors Corporation, GOWLING LAFLEUR HENDERSON, April 26, 1983: CA1145270

C-3,196D-3,347 Abstract of the DisclosureDiesel exhaust particulates are efficientlytrapped by incineration cleanable ceramic monolith porouswall filter elements. A number of arrangements for highefficiency elements having high filtration area in compactunits are disclosed as are exemplary methods o ...


4
Bedford Raymond E, Schaefer Carl F: Methode dobtention dun support de catalyseur a grande aire surfacique, et catalyseur utilisant ce support, Method for forming high surface area catalyst carrier and catalyst using same. General Motors Corporation, GOWLING LAFLEUR HENDERSON, October 4, 1983: CA1154740

D-4950 C-3286 METHOD FOR FORMING HIGH SURFACE AREACATALYST CARRIER AND CATALYST USING SAME Abstract of the Disclosure An alumina base catalyst carrier materialwhich is thermally stable and possesses a high surfacearea consisting of a cerium oxide coating on activealumina granules. The carrier is pre ...


5
Schaefer Carl F, Bedford Raymond E: Base de catalyseur en cordierite perlee, et methode de preparation connexe, Cordierite bead catalyst support and method of preparation. General Motors Corporation, GOWLING LAFLEUR HENDERSON, April 10, 1984: CA1165305

D-5272 C-3295 CORDIERITE BEAD CATALYST SUPPORTAND METHOD OF PREPARATION Abstract of the Disclosure A high strength, high macro-pore volume,porous cordierite bead support having a dimpled orraspberry-like surface resulting from processingof inexpensive raw materials to produce cordieriteon firing and ...