Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7810435 | Power regulation device for model railway system | Anthony R. Parisi | 2010-10-12 |
| 7358720 | Proximity sensor interface | — | 2008-04-15 |
| 7355392 | Printed circuit card-based proximity sensor and associated method of detecting a proximity of an object | Robert Downing LaClair, Anthony Dean Ringer | 2008-04-08 |
| 7321102 | Float switch transient suppression device | Thomas Bruce Fox, William Jon Darling, Rollin W. Brown | 2008-01-22 |
| 7271585 | Method of fabricating a multilayer wiring board proximity sensor | Robert Downing LaClair, Anthony Dean Ringer | 2007-09-18 |
| 7250857 | Multiplexer method and system for intrinsically safe applications and a multiplexer switch for use therein | — | 2007-07-31 |
| 7006339 | Apparatus for and method of protecting the safe side wiring of a protective barrier against transferring fault energy into a potentially explosive environment | — | 2006-02-28 |
| 6800867 | System for measuring a parameter inside an adverse environment while protecting the adverse environment against potentially dangerous threats with an active safety barrier circuit | — | 2004-10-05 |
| 6141194 | Aircraft fuel tank protective barrier and method | — | 2000-10-31 |
| 5912829 | Universal narrow band signal conditioner | — | 1999-06-15 |
| 5124933 | Method and apparatus for determining a quantity of liquid in a tank when at least one sensor is inoperative | — | 1992-06-23 |
| 4968946 | Apparatus and method for determining resistance and capacitance values | — | 1990-11-06 |
| 4908783 | Apparatus and method for determining liquid levels | — | 1990-03-13 |
| 4841227 | Apparatus for the ratiometric measurement of a quantity of liquid in a tank | — | 1989-06-20 |
| 4802360 | Vibrating spool densitometer immune to cabling effects | — | 1989-02-07 |
| 4426616 | Capacitive measurement system | — | 1984-01-17 |
| 4310794 | Capacitive probe detection systems | — | 1982-01-12 |
| 4297692 | Segment failure detector for digital display | — | 1981-10-27 |
| 4214479 | Capacitive type fuel probe compensation circuit | — | 1980-07-29 |