Number | Name | Date | Kind |
---|---|---|---|
2314002 | Lusher et al. | Mar 1943 | A |
2479447 | Wiltse | Aug 1949 | A |
2900199 | Logan | Aug 1959 | A |
4544187 | Smith | Oct 1985 | A |
4573717 | Peacock | Mar 1986 | A |
4586733 | Anderson, Jr. | May 1986 | A |
4800916 | Lakey | Jan 1989 | A |
4817997 | Ingram | Apr 1989 | A |
5375887 | Johnson | Dec 1994 | A |
5546978 | Parker | Aug 1996 | A |
5984375 | Merrett | Nov 1999 | A |
6047997 | Olivier | Apr 2000 | A |
6073969 | Zimmerly | Jun 2000 | A |
6161874 | Yang | Dec 2000 | A |
6450542 | McCue | Sep 2002 | B1 |
Number | Date | Country |
---|---|---|
282 210 | Dec 1927 | GB |
Entry |
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Ceramseal, A Division of Ceram Tec; Webpage at www.ceramaseal.com; Technical Reference—Installation Options: ISO NW Flange/NPT Thread; Showing ISO NW Flange, ISO-NWFlang Assembly, and NPT Thread; printed Feb. 18, 2002; p. 1 of 2. |
Welch Vacuum, Thomas Industries; Webpage at www.welchvacuum.com; ISO Modular Piping and Inlet and Exhaust Connectors; printed Feb. 18, 2002; p. 1 of 9. |
Vacuubrand, Isolation Valves Solenoid Operated; p. 67 of a supply catalog; admitted prior art. |