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Your search returned 141 patents.
( 338/328 in Current US Classification ) |
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| Patent ID | Title | Date Filed |
| 5289155 | Positive temperature characteristic thermistor and manufacturing method therefor
| May 6, 1992 |
| 5270521 | Heating apparatus comprising a plate-shaped PTC thermistor accommodated in an insulating spacer and terminal plates in snap-engagement with the spacer
| February 24, 1992 |
| 5218336 | Resistor device for blower motor
| November 20, 1991 |
| 5210517 | Self-resetting overcurrent protection element
| June 3, 1991 |
| 5210516 | PTC thermistor and PTC thermistor producing method, and resistor with a PTC thermistor
| February 22, 1991 |
| 5196822 | Stacked termination resistance
| December 12, 1991 |
| 5189387 | Surface mount device with foldback switching overvoltage protection feature
| July 11, 1991 |
| 4959632 | Organic PTC thermistor
| April 6, 1989 |
| 4948953 | Holding part for PTC components
| April 12, 1989 |
| 4937551 | PTC thermal protector device
| February 2, 1989 |
| 4937435 | Flexible electric heating pad using PTC ceramic thermistor chip heating elements
| March 15, 1989 |
| 4861966 | Method and apparatus for electrically heating diesel fuel utilizing a PTC polymer heating element
| May 19, 1986 |
| 4831354 | Polymer type PTC assembly
| December 3, 1987 |
| 4791272 | PTC hair roller
| October 24, 1986 |
| 4751492 | Variable resistor
| May 22, 1987 |
| 4714910 | Electrical component having high strength given stressing due to temperature change and due to surge currents, particularly a varistor
| March 5, 1987 |
| 4713524 | PTC fuel heater for heating alcohol fuel
| April 21, 1986 |
| 4698614 | PTC thermal protector
| April 4, 1986 |
| 4689878 | PTC heater and method of manufacture
| August 3, 1981 |
| 4631391 | Electrical heating device, especially for mirrors
| June 21, 1984 |
| 4628187 | Planar resistance heating element
| February 8, 1985 |
| 4584553 | Coated layer type resistor device
| June 5, 1984 |
| 4573010 | Miniature cell adaptor to accommodate small samples in resistivity cells
| August 31, 1983 |
| 4542285 | Electrical heater
| August 31, 1984 |
| 4529960 | Chip resistor
| May 29, 1984 |
| 4523085 | Electrical heating device
| January 20, 1984 |
| 4517546 | Resistor sheet input tablet for the input of two-dimensional patterns
| July 19, 1983 |
| 4505032 | Method of making a voltage divider
| June 29, 1984 |
| 4498071 | High resistance film resistor
| September 30, 1982 |
| 4495524 | Part for a slide variable resistor
| June 21, 1983 |
| 4489485 | Method for forming a thermal printing head
| December 2, 1983 |
| 4486738 | High reliability electrical components
| February 16, 1982 |
| 4485370 | Thin film bar resistor
| February 29, 1984 |
| 4476377 | Thermal printing head
| December 2, 1983 |
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