Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6955707 | Method of recycling fluorine using an adsorption purification process | Richard Hogle, Walter H. Whitlock, Graham McFarlane | 2005-10-18 |
| 6019948 | Apparatus and method for purifying boron trichloride by removal of phosgene | Edward Deming Tang, Walter H. Whitlock | 2000-02-01 |
| 5833814 | Apparatus and method for purifying boron trichloride by removal of phosgene | Edward Deming Tang, Walter H. Whitlock | 1998-11-10 |
| 5615954 | Apparatus for measuring the dew point or frost point of a gas having low water content | Junichi Nishizawa, Takahiko Kijima, Akira Makihara | 1997-04-01 |
| 5482371 | Method and apparatus for measuring the dew point and/or frost point of a gas having low water content | Junichi Nishizawa, Takahiko Kijima, Akira Makihara | 1996-01-09 |
| 5470154 | Method of cleaning the reflector mirror in an optical dew point meter and an optical dew point meter equipped with a cleaning device | Juinchi Nishizawa, Takahiko Kijima, Akira Makihara | 1995-11-28 |