Number | Name | Date | Kind |
---|---|---|---|
1547440 | Penn | Jul 1925 | |
1597850 | Weis | Aug 1926 | |
1673890 | Smith | Jun 1928 | |
1713895 | Ford | May 1929 | |
1795348 | Schmidt | Mar 1931 | |
3425083 | Wennerberg et al. | Feb 1969 | |
3460180 | Girard | Aug 1969 | |
3474479 | Girard | Oct 1969 | |
3939519 | Muirhead | Feb 1976 | |
4079782 | Soderberg et al. | Mar 1978 | |
4283807 | Bizard | Aug 1981 | |
4350202 | Schulz et al. | Sep 1982 | |
4383346 | Bochinski et al. | May 1983 | |
4390058 | Otake et al. | Jun 1983 | |
4406031 | Eimer et al. | Sep 1983 | |
4435872 | Leikam | Mar 1984 | |
4476917 | Otake et al. | Oct 1984 | |
4556102 | Bochinski et al. | Dec 1985 | |
4566533 | Bochinski et al. | Jan 1986 | |
4709719 | Littleton et al. | Dec 1987 | |
5010950 | Voith | Apr 1991 | |
5153963 | Saxon et al. | Oct 1992 | |
5176199 | Czolkoss | Jan 1993 | |
5186815 | Lenglet | Feb 1993 | |
5213623 | Burtner | May 1993 | |
5358573 | Sivacoe | Oct 1994 | |
5431545 | Knight et al. | Jul 1995 | |
5473787 | Echols | Dec 1995 | |
5592990 | Ben-Dosa | Jan 1997 | |
5607513 | Sims | Mar 1997 | |
5630471 | Taprogge | May 1997 | |
5647428 | Echols | Jul 1997 |
Number | Date | Country |
---|---|---|
1147106 | May 1983 | CA |
1290110 | Oct 1991 | CA |
0234072A1 | Feb 1986 | EP |
0 371 859 | Jun 1990 | EP |
0 646 423 A1 | Apr 1995 | EP |
780093 | Jul 1957 | GB |
2175666A | May 1986 | GB |
WO 9117843 | Nov 1991 | WO |
Entry |
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Declaration of Shiuchi Wada, Oct. 15, 1996. |
Decarbonization, PEC, System, Oct. 1984. |
PEC-PIG Decoking System For Your B-2 Furnace/EXXON, PEC International (USA), Inc., Jan. 15, 1988. |
Proposal For PIG Decoking/Furnace PV-F-01, PEC International (USA), Inc., Mar. 6, 1990. |
Finding the basic design for your application, Herbert L. Berman, Caltex Petroleum Corp., Chemical Engineering Jun. 19, 1978, p. 99 -170. |
UCISCO, A Linde Service Company, brochure entitled “Sandjet Furnace Tube Cleaning—An Energy Conservation Tool”, Gary E. Diehl, Union Carbide Industrial Services, Houston, Texas, presented at Phillips Energy Conservation Seminar, Bartlesville, Oklahoma, Apr. 14, 1982, 7 pages. |
Computer Search dated Feb. 9, 1997, 4 pages, “decok”. |
Abstract of U.S. Patent 4,917,787, issued Apr. 17, 1990, 2 pages. |
Abstract of U.S. Patent 5,183,642, issued Feb. 2, 1993, 2 pages. |