| Number | Name | Date | Kind |
|---|---|---|---|
| 498989 | Perry | Jun 1893 | A |
| 1029726 | Sprado | Jun 1912 | A |
| 1636001 | Kasley | Jul 1927 | A |
| 1661148 | Winkler | Feb 1928 | A |
| 1672436 | Thege | Jun 1928 | A |
| 1896098 | Poyer | Feb 1933 | A |
| 1896404 | Hale | Feb 1933 | A |
| 1951558 | Nystrom | Mar 1934 | A |
| 2084665 | Alkman | Jun 1937 | A |
| 2127825 | Mader | Aug 1938 | A |
| 2134077 | Ehret | Oct 1938 | A |
| 2673130 | Becker | Mar 1954 | A |
| 2765779 | Graves | Oct 1956 | A |
| 2766695 | Gailloud | Oct 1956 | A |
| 2851020 | Dolza | Sep 1958 | A |
| 2879913 | McCombie | Mar 1959 | A |
| 2970608 | Doeg | Feb 1961 | A |
| 2976813 | Redman | Mar 1961 | A |
| 2985358 | Lee et al. | May 1961 | A |
| 3049284 | Alamprese | Aug 1962 | A |
| 3082935 | Arak | Mar 1963 | A |
| 3139009 | Härling | Jun 1964 | A |
| 3160229 | Terasawa | Dec 1964 | A |
| 3209659 | Colwell | Oct 1965 | A |
| 3277837 | Pangburn | Oct 1966 | A |
| 3315651 | Dangauthier | Apr 1967 | A |
| 3375972 | Raufeisen | Apr 1968 | A |
| 3386424 | Appeman | Jun 1968 | A |
| 3432177 | Colwell | Mar 1969 | A |
| 3468260 | Belden | Sep 1969 | A |
| 3472446 | Linnert | Oct 1969 | A |
| 3521607 | Wiseman et al. | Jul 1970 | A |
| 3526469 | Lipe et al. | Sep 1970 | A |
| 3568573 | Bailey et al. | Mar 1971 | A |
| 3612726 | Yowell | Oct 1971 | A |
| 3628427 | Bailey | Dec 1971 | A |
| 3718410 | Berger et al. | Feb 1973 | A |
| 3841796 | Schlanzky | Oct 1974 | A |
| 3882842 | Bailey et al. | May 1975 | A |
| 3927956 | Linthicum | Dec 1975 | A |
| 3961868 | Droege, Sr. et al. | Jun 1976 | A |
| 3961869 | Droege, Sr. et al. | Jun 1976 | A |
| 3981631 | Kemp | Sep 1976 | A |
| 3998571 | Falke | Dec 1976 | A |
| D245779 | Nobata | Sep 1977 | S |
| 4088428 | Bannister et al. | May 1978 | A |
| D250113 | Nobata | Oct 1978 | S |
| 4123201 | Andriulis | Oct 1978 | A |
| 4275999 | Hetzel et al. | Jun 1981 | A |
| 4311440 | Eberhardt | Jan 1982 | A |
| 4406590 | Kessler | Sep 1983 | A |
| 4433966 | Krumm | Feb 1984 | A |
| 4434448 | Bell et al. | Feb 1984 | A |
| 4477231 | Swift | Oct 1984 | A |
| 4480368 | Vachon | Nov 1984 | A |
| 4559686 | Kessler | Dec 1985 | A |
| 4594760 | Dillard | Jun 1986 | A |
| 4642037 | Fritchman | Feb 1987 | A |
| 4718827 | Sutton et al. | Jan 1988 | A |
| 4749340 | Ikeda et al. | Jun 1988 | A |
| 4781540 | Ikeda et al. | Nov 1988 | A |
| 4782738 | Jackson et al. | Nov 1988 | A |
| 4790727 | Steele | Dec 1988 | A |
| 4810174 | Stuckey et al. | Mar 1989 | A |
| 4842498 | Bramstedt et al. | Jun 1989 | A |
| 4867650 | Ikeda et al. | Sep 1989 | A |
| 4911614 | Kawai et al. | Mar 1990 | A |
| 4976284 | Hovarter | Dec 1990 | A |
| 4995795 | Hetzel et al. | Feb 1991 | A |
| 5064359 | Plummer | Nov 1991 | A |
| 5096395 | Todescat et al. | Mar 1992 | A |
| 5145335 | Abelen et al. | Sep 1992 | A |
| 5147190 | Hovarter | Sep 1992 | A |
| 5156532 | Arndt et al. | Oct 1992 | A |
| 5213125 | Leu | May 1993 | A |
| 5226803 | Martin | Jul 1993 | A |
| 5231917 | Wood | Aug 1993 | A |
| 5288212 | Lee | Feb 1994 | A |
| 5328338 | Hirano et al. | Jul 1994 | A |
| 5370156 | Peracchio et al. | Dec 1994 | A |
| 5379799 | Kawai et al. | Jan 1995 | A |
| 5390633 | Taue | Feb 1995 | A |
| 5396930 | Ebbing et al. | Mar 1995 | A |
| 5421368 | Maalouf et al. | Jun 1995 | A |
| 5454397 | Miszczak | Oct 1995 | A |
| 5456287 | Leu | Oct 1995 | A |
| 5586874 | Hashimoto et al. | Dec 1996 | A |
| D377967 | Rozek et al. | Feb 1997 | S |
| 5601118 | Jang | Feb 1997 | A |
| 5603611 | Tarutani et al. | Feb 1997 | A |
| 5632607 | Popescu et al. | May 1997 | A |
| 5632609 | Hashimoto | May 1997 | A |
| D379996 | Leu et al. | Jun 1997 | S |
| 5647395 | Hashimoto et al. | Jul 1997 | A |
| D382883 | Breitzman et al. | Aug 1997 | S |
| 5655898 | Hashimoto et al. | Aug 1997 | A |
| 5895208 | Riedlinger et al. | Apr 1999 | A |
| D412174 | Faulkner et al. | Jul 1999 | S |
| 6056521 | Leu et al. | May 2000 | A |
| 6126410 | Kung et al. | Oct 2000 | A |
| 6431845 | Thomas et al. | Aug 2002 | B1 |
| D478094 | Scarth et al. | Aug 2003 | S |
| D485282 | Scarth et al. | Jan 2004 | S |
| D488820 | Rozek | Apr 2004 | S |
| Number | Date | Country |
|---|---|---|
| 110233 | Sep 1896 | DE |
| 581380 | Jul 1933 | DE |
| 844998 | Aug 1960 | DE |
| 2 323 035 | Nov 1975 | FR |
| 406000 | Feb 1934 | GB |
| 313250 | Dec 1933 | IT |
| Entry |
|---|
| Vacuum and Pressure Systems Handbook, Revised Edition, Copyright 1986 by Gast Manufacturing Corporation, pp. 22 and 23. |
| Advertising literature: New Gast ROC-R Compressor. |
| Advertising literature: Gast Air Compressor, vol. F-10, dated May, 1992, p. 41. |
| Advertising literature: Healy Systems, Inc., The New VP 500 Central Vacuum Vane Pump, Nov. 16, 1993. |
| Untitled drawing of pump, Models 607CB22 and 607CD22. |
| Thomas Industries, Inc. 2619/2621 Series Compressors and Vacuum Pumps, pamphlet published Jul. 1994. |
| Thomas Compressors and Vacuum Pumps, 2750 Series, pamphlet, published Jul. 1995. |
| Thomas Industries, Inc. Compressors and Vacuum Pumps, Series 2600, pamphlet, published Jun. 1994. |
| Thomas Industries, Inc. Compressors and Vacuum Pumps, 2807 Series, pamphlet, published Jun. 1994. |