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| Number | Title | Issue Date |
| 7328639 | Tile saw A tile saw includes a base, a frame assembly disposed on the base, a first rail disposed on the frame assembly, the first rail having a longitudinal axis, a table slidingly disposed on the first rail, a support assembly disposed on the base, a saw assembly supported... | 02/12/2008 |
| 7287536 | Heater for heating the dishwashing liquid in a dishwasher In a dishwasher having a dishwashing compartment and a pump fluidically connected to the dishwashing compartment for channeling liquid to the dishwashing compartment, the pump disposed outside the dishwashing compartment and including a pump housing defining an inte... | 10/30/2007 |
| 7180040 | Crimp splice for an electrical resistance heating cable An electrical resistance heating cable, including a resistance heating wire having a resistive conductor, an insulation at least partially surrounding said resistive conductor; and an end. A crimp connector is connected to the end. A thermally conductive sleeve at l... | 02/20/2007 |
| 7118141 | Apparatus and method for securing an exit device to a door A securing mechanism for coupling an exit device to a door. The securing mechanism comprises a bracket coupled to the exit device and a shaft having a first end and a second end and defining a longitudinal axis. The bracket defines a first aperture and a second aper... | 10/10/2006 |
| 7059877 | Latch mechanism for electrical connector An electrical connector housing of the type having a spring biased housing cover for closing the electrical connector receptacle is provided with a lever actuated latch for holding the cover in an open position against the spring force. ... | 06/13/2006 |
| 6997419 | Adjustable gage plate assembly An adjustable gage plate assembly having a pair of gage plate ends each with rail seats that are connected at their inner ends to swivel slide plates of an adjustment assembly which enables the gage plate ends to be moved laterally and angularily relative to each ot... | 02/14/2006 |
| 6727470 | Impedance heating for railroad track switch A heating system for railroad switches or other movable railroad structures that substantially eliminates protruding heater elements that may be damaged. The heater elements may cast into, enclosed within or received within recesses of a tie (including a metal or co... | 04/27/2004 |
| 6104010 | Spring clamp for heater element A high efficiency, direct conduction track switch heater (24) and associated spring clamp (70) are disclosed. The heater (24) includes a generally blade-shaped jacket (30) dimensioned for mounting on the gauge side 26 of a fixed rail (16) at the track swi... | 08/15/2000 |
| 6065721 | Switch clearing system An sir blowing system for use in deeping railroad track switches clear of snow utilizes flexible tubes, preferebly of rubber or plastic, located transversely beneath the main tracks, and connecting with resilient nozzles to direct a high flow of air in th... | 05/23/2000 |
| 5941482 | Heating cable assembly and connector for railroad switch heating system A heating cable assembly includes a connector having a sleeve, and a heat-absorbing electrically conductive core member within said sleeve. The assembly also includes a heating cable having an electrical resistance heating wire extending from said core me... | 08/24/1999 |
| 5900178 | Device for melting snow or ice An installation for melting of snow or ice, e.g. at roof downpipes on flat roofs, in gutters and the like, comprising a heating means (11), a temperature sensor means (4,6) and a control unit (1) for connecting and disconnecting the heating means (11) in ... | 05/04/1999 |
| 5824997 | Railroad track switch heater A high efficiency, direct conduction track switch heater (24) and associated spring clamp (70) are disclosed. The heater (24) includes a generally blade-shaped jacket (30) dimensioned for mounting on the gauge side 26 of a fixed rail (16) at the track swi... | 10/20/1998 |
| 5702074 | Railway switch heating apparatus There is provided a new and useful apparatus for use in a railway switch heating assembly. The apparatus includes a hollow structural member adapted to replace a conventional railway tie and adapted to be connected to a source of heated air, and a mechani... | 12/30/1997 |
| 5389766 | Rail snow-melting by electromagnetic induction heating A snow-melting apparatus of an electromagnetic induction heating type, comprises: a high frequency power source; a pair of conductive cables wound in at least one turn around a segment of each rail and through through-holes which are formed through side w... | 02/14/1995 |
| 5348257 | Railroad switch heating control A control and detector for a railroad switch point having a detector mechanism which is secured to a stockrail at the switch point where the stockrail is intended to be in contact with a corresponding switchrail. The detector mechanism is secured in a hou... | 09/20/1994 |
| 5018690 | Latch mechanism for a railboard track switch cover A latch mechanism to secure a switch cover panel to a railroad track switch to cover the switch to avoid accumulations of ice and snow that would impede operation of the switch. An anchor bar is positioned beneath the housing of the cover panel. A linkage... | 05/28/1991 |
| 5004190 | Rail heating apparatus A rail heating system is provided for heating railroad components such as railroad switch areas and electrified third rails. The heating system includes a side heater having a heating pad that has a flexible contact surface. A clip arrangement such as a s... | 04/02/1991 |
| 4854244 | Transit rail deicing system A system for use with a rail for carrying a moving conveyance, the rail having a web portion, a base portion and an increased width top portion, the system serving to heat the rail top portion to decrease the accumulation of snow and ice thereon, includin... | 08/08/1989 |
| 4695017 | Railroad switch snow deflecting air nozzle apparatus A railroad switch, snow deflecting apparatus is described in which air is fed through conduits to primary nozzles for directing air along the rails and towards the switch points to a position adjacent the apex of the switch. Secondary nozzles are spaced f... | 09/22/1987 |
| 4687163 | Railway switch control system A control switch system for a railway switch heater with an environment probe near the switch and controlling switching on and off of the switch heater in a predetermined mode.... | 08/18/1987 |
| 4674718 | Method and apparatus for keeping railway switches free from snow In a method of preventing snow from bedding into railway switches, air is blown into the area between the stock rail and the movable rail in a switch, and substantially horizontally in a direction obliquely outwards towards the open end between the stock ... | 06/23/1987 |
| 4671475 | Railroad track switch covers and heater A heat retaining and snow deflecting cover assembly for railroad track switches is made up of panels that prevent snow and ice from building up in the regions where the switching rails must move. An inner panel assembly is mounted between the switching ra... | 06/09/1987 |
| 4494462 | Thaw shed heater Heating apparatus is described that is particularly adapted for thawing frozen particulate material in railroad hopper cars. The apparatus is a low profile, fuel-fired heater adapted for installation between rails traversed by the hopper cars within a tha... | 01/22/1985 |
| 4429845 | Rail track heaters Rail track heaters, comprising metal sheathed electric heaters, adapted to be positioned for heating a third rail or a switch rail. Our invention includes a simple stamping to provide a bracket for holding a cover containing the heater and surrounding ins... | 02/07/1984 |
| 4391425 | Railroad switch heater A railroad switch heating system comprises lengths of a pliable insulated electrical resistance heating cable disposed against and along the outer sides of the fixed rails of the switch, with portions of these cable lengths between rail braces overlaid by... | 07/05/1983 |
| 4360949 | Portable pneumatic railroad switch cleaning device A portable pneumatic cleaning device for removing particulate material from crevices and channels particularly between component parts of railroad switch mechanisms, is provided which has a heavy duty nozzle including a central port and a pair of outwardl... | 11/30/1982 |
| 4337914 | Railway switch stand cover A railroad head block switching installation having a safety cover secured to the track ties between which extend the connecting rod of the rail switching mechanism, so as to overlie such rod in spaced relationship therewith and protect persons from tripp... | 07/06/1982 |
| 4324184 | Temperature control system and method for an automated guideway transit system A temperature control system and method for controlling the bus bar temperature of an automated guideway transit system in relation to the ambient dew point temperature. A resistance temperature device detects the temperature of the bus bars, and a dew po... | 04/13/1982 |
| 4195805 | Railroad switch heater An apparatus for heating railroad rails such as those forming a railroad switch to prevent obstruction of the switch by ice and snow includes an elongate, bendable, high temperature heating cable disposed lengthwise against and along a side of the rail we... | 04/01/1980 |
| 4081161 | Heater system for railroad switch A heater is provided to supply hot air through apertured distribution ducts at a rate of at least 1300 CFM, a temperature of at least 250° F, and a velocity of at least 3000 FPM so as to clear the entire switch area of ice, snow and water. The parallel, ... | 03/28/1978 |
| 4051466 | Arrangement for detecting the presence of snow, ice and other freezing precipitation, particularly on railway track structures, and the like The arrangement includes at least one first and at least one second electrode positioned one above the other and spaced from each other in the vertical direction by at least one respective interelectrode gap which can be bridged over by snow, ice and othe... | 09/27/1977 |
| 3974993 | Railway track switch heating arrangement A railway track switch is provided with an arrangement for preventing the accumulation on the track switch of snow such as could cause blockage of a moving part of the track switch or other malfunction. The arrangement includes a controllable track switch... | 08/17/1976 |
| 3972497 | Apparatus for producing snow deflecting air curtains for railway switches An apparatus for producing snow deflecting air curtains for a railway switch comprising one (or two side-by-side) ducts along the center of the railway switch and having nozzle slits for directing snow-deflecting air curtains in opposite directions over e... | 08/03/1976 |
