Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 7078656 | Device for electrically heating a vertically erect chamber A device for electrically heating a vertically erect chamber comprising several heating zones arranged vertically one above the other. The components of the device, with the exception of the insulating components, are made from graphite materials. Each zone (Z) comp... | 07/18/2006 |
| 6917278 | Resistor banks A Resistor bank has first and second supporting member. Held on to the supporting members is a resistor element comprising a strip of resistor material which is bent into a zigzag shape. The strip is continuous and has a non-planar cross section profile. A plurality... | 07/12/2005 |
| 6723968 | Conductive U-shaped jumper strap and method of use A conductive metal jumper strap has a plate portion with a pair of connection legs forming a u-shape. The connection legs are adapted to connect to terminals to make an electrical connection between two components of a heating device. The plate portion has a bend in... | 04/20/2004 |
| 6593554 | Method and apparatus for mounting a heater thermostat and temperature sensitive fuse A heater having an insulating terminal mounting block, a thermostat and a terminal bushing mounted to a frame. The insulating terminal mounting block supports a plurality of removable terminal members. Each terminal member has a crimping structure at one ... | 07/15/2003 |
| 6470143 | Heating door with spring-mounted heaters A heating door comprises a frame. A first panel is mounted to the frame. A second panel is mounted to the frame. A sheet is disposed between the first and second panels. The sheet defines an inner section between the first panel and the sheet and an outer... | 10/22/2002 |
| 6329900 | Resistor elements A multielement resistor may be assembled into a matrix from a plurality of resistor elements (12) of a U shape construction. The elements (12) are suspended from their upper portions by connecting brackets (16) which are supported by a supporting frame (1... | 12/11/2001 |
| 6172593 | Electronic component A positive thermistor device includes a positive thermistor element having a pair of opposed electrodes, each of which receives compressive force elastically applied from a corresponding one of spring contact members to hold the thermistor element at a pr... | 01/09/2001 |
| 6097003 | Support bar attachment for an electric heater element An apparatus (10) supports an electrical heating element (H) which is mounted in an oven (O). When supplied with electricity, the element heats the oven to cook food. During an operating cycle, the heating element expands and contracts along its length. T... | 08/01/2000 |
| 6041164 | Expansion and mounting apparatus for infrared radiant energy source Infrared wire element configurations allow for expansion during use in a thermoplastic welding environment. A mounting apparatus for the infrared wire expansion configuration provides support.... | 03/21/2000 |
| 5909168 | PTC conductive polymer devices A housing contains a PTC element which can be easily inserted and removed. Conductive metal retaining elements of the housing are secured to the base of the housing, and retain the PTC element with a generally planar portion parallel to the electrodes of ... | 06/01/1999 |
| 5887119 | Ceiling mounted electrical heater with flexible mounting structure An electric heater for ceilings which emits radiant heat includes a radiant plate having heating elements which radiate in a downward direction. The radiant plate is mounted to a top part by a number of elastic/flexible brackets, including pivotable and n... | 03/23/1999 |
| 5686880 | Continuous weave resistor grid A resistor grid assembly has a continuous resistor weave with a plurality of generally parallel, plate-like electrical elements. U-shaped bends join two adjacent elements at adjacent ends. The U-shaped bends are located in a bottom group and a top group. ... | 11/11/1997 |
| 5451921 | Electrical devices An electrical assembly in which electrical connection is made to a device having two laminar electrodes and a laminar element between the electrodes, preferably a circuit protection device in which a PTC conductive polymer element is sandwiched between tw... | 09/19/1995 |
| 5424512 | Method and device for detecting the presence of a body, for example a saucepan, on a glass ceramic cooking hob in correspondence with a heating element associated with said hob A method and apparatus for detecting the presence of a saucepan on the hob plate of a glass ceramic cooking hob associated with a heating element includes measuring the variation in a physical characteristic of an electrical resistive element positioned b... | 06/13/1995 |
| 5324920 | Heat treatment apparatus The heat treatment apparatus according to the invention comprising a process tube for holding a plurality of semiconductor wafers, a heating resistive element made mainly of molybdenum silicide and surrounding the process tube, a heat insulating member su... | 06/28/1994 |
| 5168543 | Direct contact heater for vacuum evaporation utilizing thermal expansion compensation means An apparatus for evaporating materials to be deposited onto a substrate provides heat directly to the material to be evaporated by conduction and includes a means for compensating for thermal expansion and contraction of the heat source during thermal cyc... | 12/01/1992 |
| 5159176 | Device for heating, by infrared radiation, fixed on a wall or the ceiling of a room of a building The present invention relates to a device for heating, by infrared radiation, fixed on a wall 3 or beneath the ceiling of a room of a building, comprising a flat infrared radiation emitter constituted by a sheet 5 made of an electrically conducting materi... | 10/27/1992 |
| 5149943 | Heat sealing member for making contoured heat seals The heat sealing wire of an impulse heat sealer is held against an operating face of a support bar by an insulating fabric which is draped over the wire and secured in a slot formed in the support bar. The securing drape of fabric allows unrestricted expa... | 09/22/1992 |
| 4875068 | Integrated fuser connector and alignment member The present invention is a fuser assembly having a molded housing with a plurality of integral posts disposed along a first surface, an elongated electrically conductive contact strip having at least one set of integral, oppositely disposed spring clips a... | 10/17/1989 |
| 4774396 | Infrared generator An apparatus for generating infrared radiation is provided including an electrical heating element that is able to withstand very high, continuous-use temperatures, surrounding or surrounded by a non-conductive material containing dopants of refractory me... | 09/27/1988 |
| 4771166 | Electric furnace heater mounting A vacuum furnace has a heating chamber heated by metal strip electric heater elements. The elements have insulated mechanical support between their ends to hold them in position in the furnace. Support is provided by assemblies having spaced apart mountin... | 09/13/1988 |
| 4713647 | Thermal vacuum heater array apparatus An electric resistance heater array having an open metal frame with multiple heater wires of heavy gauge, U-shaped Nichrome wire that are vertically spaced across the panel. The lower vertical portions of the heater wire are encased in ceramic sleeves whi... | 12/15/1987 |
| 4712086 | Support frame for resistor elements in a heating furnace for glass sheets The invention relates to a support frame for a resistor element in a heating furnace for glass sheets, said flame providing a substantially continuously extending, elongated rest surface for a resistor element. The support frame elements consist of trough... | 12/08/1987 |
| 4695821 | Resistor element assembly for a heating furnace of glass sheets and method of replacing a resistor element The invention relates to a resistor element assembly for a glass sheet heating furnace and to a method of replacing a resistor element. A resistor element is built by placing successively in longitudinal direction ceramic elements, with a resistance wire ... | 09/22/1987 |
| 4685025 | Conductive polymer circuit protection devices having improved electrodes Circuit protection devices which contain PTC conductive polymer elements and which are used in situations in which the device is mounted onto, or itself comprises, a rigid wall which is spaced apart from the PTC element and through which the electrodes pa... | 08/04/1987 |
| 4636615 | Electrical resistance heating element having a bimetallic protective switch An electrical radiator, particularly for fan-forced heaters, is provided which includes a resistance heating element disposed on an insulating element connected to the housing of the fan-forced heater. The coil winding of the resistance heating element is... | 01/13/1987 |
| 4605838 | Electric vapor boiler An electric vapor boiler has a closed vessel (1) containing water, a steam or vapor outlet conduit (4), a conduit (6) supplying liquid and/or returning condensed vapor, and a electric resistance heating device (7) for each high or medium boiler voltage ph... | 08/12/1986 |
| 4602239 | Spring tensioned wire resistance heater An apparatus is disclosed for providing uniform radiant heat to a substrate by means of a plurality of parallel electroconductive heating wires which are maintained in planar relationship upon heat expansion by means of attachment to a movable bus bar att... | 07/22/1986 |
| 4492951 | Glass captivated heating unit for still or the like A capillary tube is shrunk around a wire heating element, fashioned into the desired configuration, and situated between the exterior surface of a cylindrical inner glass tube and the interior surface of a cylindrical outer glass tube, to form an assembly... | 01/08/1985 |
| 4475030 | Glow plug having resiliently mounted ceramic surface-ignition element An improved glow plug (10) which is adapted to be continuously electrically heated to a preselected elevated temperature in order to ignite relatively lower-cetane-number alternative fuels. The glow plug (10) includes a ceramic surface ignition element (2... | 10/02/1984 |
| 4471212 | Light weight thin buckle-resistant ceiling heating panel The invention is directed to a radiant heat ceiling panel which operates at low temperature and transmits heat directly by radiation. The basic panel structure consists of a fibrous heating element covered on both sides with polyester sheets and backed by... | 09/11/1984 |
| 4464565 | Extensible tape heater An elongated flexible resistance heating element includes a heat transmitting cover that is generally coextensive with the element. A resilient element is provided adjacent one end of the heating element to accommodate extension of the cover for use of th... | 08/07/1984 |
| 4445024 | Electric kiln This invention relates to a new type of electric kiln suitable for the firing of pottery in small batches as is customarily carried out by hobbyists. In its preferred form the invention comprises an upright cylindrical wall of ceramic fibre thermal insula... | 04/24/1984 |
| 4431983 | PTCR Package A ceramic PTCR slug has glass-bonded-aluminum layers bonded to the major opposite surfaces. Patches of silver film are bonded to selected regions of the glass-aluminum layers and stainless steel contacts are spring loaded against the silver patches. The s... | 02/14/1984 |
| 4401883 | Electric resistance heater A horizontal porcupine coil of electric resistance heating wire is supported against sagging by two superimposed coil-center ceramic tubes containing a conductor for one end of the coil. If one tube cracks it is improbable that the other would crack in th... | 08/30/1983 |
| 4359710 | Annular resistor with zig-zag layer pattern for resistance elements An improved annular resistor, suitable for use in a diesel electric locomotive dynamic braking system and similar applications comprising an assembly of similar arcuate segments. Each resistor segment has a supporting frame (11, 13) and a continuous resis... | 11/16/1982 |
| 4341946 | Electrical resistance heating element In an electrical resistance heating element (1) comprising a heating conductor support (3) of insulating material and a heating conductor (4) of resistance wire wound in meander or sinuously coiled manner with loop ends or bights (6) and loop legs or runs... | 07/27/1982 |
| 4322605 | Heating device for skin packaging machine A heating device (20) is provided that may be utilized in either a film packaging machine or a thermoforming machine. Heating device (20) includes a frame (32) that carries a plurality of eyelets (36) that are utilized to suspend an elongated ribbon heati... | 03/30/1982 |
| 4318072 | Precision resistor with improved temperature characteristics A precision resistor using a resistance metal film etched into a long serpentine strip cemented to a substrate. This substrate is a composite of rigid materials and plastics. The composite thermal coefficient of expansion of the substrate is given a non-l... | 03/02/1982 |
| 4309593 | Electric heater which reduces the chance of electrical shock An electric heater construction which significantly reduced the possibility of electrical shock to a user thereof. This electric heater includes an outer casing with an open front, a protective grille mounted over the open front of the outer casing, a ref... | 01/05/1982 |
