|
| US4139347 | 3 Jan 1977 | 13 Feb 1979 | Procor Limited | Method for cooling molten sulphur |
| US4877519 | 28 Jun 1988 | 31 Oct 1989 | Cyanide Destruct Systems, Inc. | Reactor and heat exchanger system for cyanide waste water treatment |
| US5013530 | 9 Jan 1990 | 7 May 1991 | Tenneco Canada Inc. | Sparger system for discharge of bulk material from hopper cars |
| US6162266 | 5 Jun 1998 | 19 Dec 2000 | Texaco Inc. | Floating pressure gasifier feed injector cooling water system |
| US7073342 | 9 Aug 2004 | 11 Jul 2006 | SMC Corporation | Constant temperature liquid circulating apparatus |