Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6296808 | Method and apparatus for protecting building personnel during chemical or biological attack | — | 2001-10-02 |
| 6217441 | Method and apparatus for sealing building ductwork during chemical or biological attack | John D. Howard, Thomas B. Cunningham | 2001-04-17 |
| 4930488 | Processor-controlled gas appliances and microprocessor-actuated valves for use therein | Gerald D. Hunter, Michael A. Woessner | 1990-06-05 |
| 4632572 | Impurity compensation for colorific content analyzer | William B. Kude | 1986-12-30 |
| 4444337 | Apparatus for proportioning fluids | William B. Kude, Daniel L. Youngbauer | 1984-04-24 |
| 4386858 | Method and apparatus for determining the heat content of gaseous fuels | William B. Kude, Daniel L. Youngbauer | 1983-06-07 |
| 4359284 | Method and apparatus for determining the Wobbe index of gaseous fuels | William B. Kude | 1982-11-16 |
| 4271694 | System for in situ meter testing | — | 1981-06-09 |