Did You Know...
...Chester Carlson was a patent agent who tired of having to make multiple copies of patent applications using the only duplication method available at the time: carbon paper. In 1959 he came up with a new copying system and took it to IBM for evaluation. The "experts" at IBM determined potential sales to be only 5,000 units because people wouldn't want to use a bulky machine when they had carbon paper. Carlson's invention was the xerography process, the company founded on the system is Xerox.
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| Number | Title | Issue Date |
| 4421942 | Thermocouple mounting system Tube containing thermocouple is inserted through mounting sheath having fingers with projections in groove around tube, and sheath is inserted through flanges of pilot burner bracket and secured by split clip.... | 12/20/1983 |
| 4396791 | Laminator thermocouple A device for accurately measuring the temperature of a laminator and the method of using this device. This device is made from a cylindrical body adapted for tension adjustment, a probe, a means for adjusting tension which is positioned between the probe ... | 08/02/1983 |
| 4396792 | Reusable thermocouple assembly A repeating use thermocouple assembly includes a refractory fiber protective sleeve with a dome-shaped end wall which encapsulates the assembly. A blanket of refractory fiber is wrapped around the thermocouple element to protect the components of the asse... | 08/02/1983 |
| 4376227 | Thermocouple seal A device for pressure sealing a reactor or thermowell extending therein comprising a disc having individual tubes welded thereto and sheathed thermocouples passing through such tubes and brazed thereto.... | 03/08/1983 |
| 4358630 | Replacement cap for repeating use thermocouple Disclosed herein is a field replaceable protective cap for a thermocouple assembly for measuring the temperature of a molten metal bath. The cap has projecting pins which pierce and frictionally engage the refractory fiber sleeve which protects the thermo... | 11/09/1982 |
| 4338479 | Surface thermocouple assembly and method of making same A surface thermocouple assembly and method of making same, characterized by a sheathed thermocouple cable having a sensing end including a preformed segment of solid metal welded to the end face of the sheath. The preformed metal segment has a contact fac... | 07/06/1982 |
| 4324945 | Thermowell apparatus for petrochemical applications A thermowell apparatus for sensing temperature and supporting piping in a cracker furnace including a support member of 800H alloy material with a heavy construction for disposal in a high temperature furnace and a tip member arranged for welding to a pip... | 04/13/1982 |
| 4243402 | Apparatus for measuring temperatures in molten metal The invention comprises a temperature sensing device comprising a thermocouple which is protected by a woven cloth. The cloth is impervious to wetting or transmission of the molten material whose temperature is to be measured. A thermocouple further is su... | 01/06/1981 |
| 4217463 | Fast responsive, high pressure thermocouple A duplex thermocouple assembly for operation in a high pressure environment and to have a rapid response time. The assembly consists of two small diameter thermocouples and a fitting designed to protectively hold the thermocouples. The thermocouples are s... | 08/12/1980 |
| 4203779 | Flame detection thermocouple A flame detecting thermocouple for use with a gas valve to insure that the pilot flame exists before the gas valve can turn on the main burner. The thermocouple has a first rod shaped element which is composed of a high potential side thermoelectric mater... | 05/20/1980 |
| 4187434 | Long life radiation shield for gas temperature measurement A suction pyrometer radiation shield comprising an elongated first alumina refractory tube, a series of smaller alumina refractory tubes arranged around and bonded to the inside surface of said first tube forming central passageway, an outer fracture resi... | 02/05/1980 |
| 4173498 | Heat gathering and conducting device for thermocouple sensors The device is a metal coil, formed of high conductive material, and designed to fit on the pilot light thermocouple of gas fired appliances. Its purpose is to extend the sensitivity of the thermocouple, thus precluding erroneous gas shut off when air curr... | 11/06/1979 |
| 4164433 | Tube skin thermocouples and method of making same A tube skin thermocouple assembly and method of making same, characterized by a sheathed thermocouple cable having an angularly disposed sensing end terminating in an end face extending substantially parallel to the axis of the adjacent axial portion of t... | 08/14/1979 |
| 4162929 | Engine manifold temperature sensing device A temperature sensing device for monitoring high temperature exhaust gases of an internal combustion engine which includes a sensing element and a support for the sensing element including a mounting stem, and electrical connection means secured to the en... | 07/31/1979 |
| 4133700 | Cold junction thermocouple compensator 0°COLD JUNCTION COMPENSATOR PROVIDES THE ELECTRICAL EQUIVALENT OF AN ICE-BATH REFERENCE THERMOCOUPLE, AT A SELECTED TEMPERATURE, FOR EXAMPLE O° C. Input connectors, for engagement with conventional thermocouple units, form thermocouple junctions with co... | 01/09/1979 |
| 4089632 | Fuel control safety apparatus A thermocouple is connected to a fuel control valve which automatically feeds fuel to the burner of a gas or oil appliance when activated by a current generated by the thermocouple due to heat produced by the burner. A fusible link safety device having an... | 05/16/1978 |
| 4064756 | Instrument assembly A temperature-sensitive instrument assembly for removable mounting within a vessel, flowline or the like including a flange plate for mounting onto a vessel or flowline nozzle; a hollow mounting tube mounted within and extending through the flange plate i... | 12/27/1977 |
| 4060095 | Thermocouple protecting tube A thermocouple protecting tube substantially has a duplicate tube construction wherein the inner ceramic protecting tube which contains a thermocouple element is concentrically enclosed by an outer protecting pipe which is of high thermal shock resistance... | 11/29/1977 |
| 4038105 | Radiation shields for aspirating pyrometers An improved heat shield for shielding a sheathed thermocouple from heat radiating from or to surrounding bodies having temperatures different from the temperatures of hot gases which are being measured by the thermocouple. The improved shield generally is... | 07/26/1977 |
| 3996071 | Temperature measuring device for use at pressures in excess of 1,500 bar A temperature measuring device for use at pressures in excess of 1,500 bar. It comprises a thermocouple which is sheathed, the sheath being surrounded from end to end by an open ended pressure bearing sleeve. The space between the sheath and sleeve receiv... | 12/07/1976 |
| 3979229 | Temperature measuring device having a deformable temperature sensing head thereof A temperature measuring device for electrically measuring the temperature at a predetermined point within a body member is disclosed. The device comprises a temperature sensor electrically isolated within a metallic sheath, the sheath being securely attac... | 09/07/1976 |
| 3975212 | Thermocouple protective composite tube A thermocouple assembly having a thermocouple encased in a tube having an outer carbon permeable layer and an inner carbon reactive layer. The assembly provides extended life for thermocouples used in a carbonaceous environment such as in the carbon liner... | 08/17/1976 |
| 3954508 | High temperature thermocouple probe A thermocouple probe for use in measuring high temperatures includes a ceramic rod having a pair of channels extending throughout the length of the tube, a pair of conductors of different material extending through the channels and being interconnected at... | 05/04/1976 |
| 3936320 | Header Novel header for use in nuclear applications comprised of a base containing at least one bore, a niobium terminal passing through said bore sealed in an alumina plug which, in turn, is sealed in a bore defined in the base.... | 02/03/1976 |
| 3930891 | Pilot burner thermocouple apparatus Thermocouple apparatus for attachment to a pilot gas burner. A thermocouple has a mounting portion. An adaptor is mounted thereon engageable with a pilot burner bracket. The adaptor and the thermocouple mounting portion are yieldably restrained against re... | 01/06/1976 |
| 3930892 | Replacement thermocouple apparatus for a pilot burner Replacement thermocouple apparatus for attachment to a pilot gas burner. The adaptor and thermocouple mounting portion are yieldably restrained against relative axially sliding movement to enable initial slip-on positioning of the thermocouple relative to... | 01/06/1976 |
