Patent Grant
D377656
| Number | Name | Date | Kind |
|---|---|---|---|
| D29933 | Hodge | Jan 1899 | |
| 275340 | Kimball | Apr 1883 | |
| D302019 | Dehlen | Jul 1989 | |
| 516673 | Wilson | Mar 1894 | |
| 583981 | Cunningham et al. | Jun 1897 | |
| 777317 | Traylor | Dec 1904 | |
| 964897 | Bryant | Jul 1910 | |
| 1132667 | Milliot | Mar 1915 | |
| 1242982 | Reynolds | Oct 1917 | |
| 1248081 | Couch | Nov 1917 | |
| 1344747 | Wright | Jun 1920 | |
| 1359426 | Plaisted | Nov 1920 | |
| 1397339 | Sturtevant | Nov 1921 | |
| 1423021 | Reynolds | Jul 1922 | |
| 1561632 | Woodward | Nov 1925 | |
| 1614586 | Anderson et al. | Oct 1927 | |
| 1626774 | Allan | May 1927 | |
| 1713143 | Overstrom | May 1929 | |
| 1716758 | Bland | Jun 1929 | |
| 1879377 | McNeely | Sep 1932 | |
| 1961144 | Griffith | Jun 1934 | |
| 1997713 | Boehm | Apr 1935 | |
| 2061850 | Roberts | Nov 1936 | |
| 2089548 | Frantz et al. | Aug 1937 | |
| 2104785 | Akeyson | Jan 1938 | |
| 2251909 | Lindsay | Aug 1941 | |
| 2274700 | Jenks | Mar 1942 | |
| 2335084 | Rice | Nov 1943 | |
| 2462878 | Logue | Mar 1949 | |
| 2480320 | Carrier | Aug 1949 | |
| 2511239 | Behnke et al. | Jun 1950 | |
| 2648441 | Soldan | Aug 1953 | |
| 2667975 | Seaholm | Feb 1954 | |
| 2670079 | Betts | Feb 1954 | |
| 2677462 | Conkling | May 1954 | |
| 2723032 | Gisler et al. | Nov 1955 | |
| 2774477 | Pollitz | Dec 1956 | |
| 2813629 | Brugmann | Nov 1957 | |
| 2902165 | Imershein | Sep 1959 | |
| 2985303 | Wright | May 1961 | |
| 3070231 | McCorkel et al. | Dec 1962 | |
| 3092573 | Lambert et al. | Jun 1963 | |
| 3176843 | Hoskins et al. | Apr 1965 | |
| 3195729 | Kracklauer et al. | Jul 1965 | |
| 3477574 | Malfroy | Nov 1969 | |
| 3483912 | Andrews | Dec 1969 | |
| 3489679 | Davidson et al. | Jan 1970 | |
| 3513090 | Migule et al. | May 1970 | |
| 3616906 | Miller et al. | Nov 1971 | |
| 3793692 | Tate et al. | Feb 1974 | |
| 3833123 | Walker | Sep 1974 | |
| 3900628 | Stewart | Aug 1975 | |
| 4033865 | Derrick, Jr. | Jul 1977 | |
| 4040951 | Cole | Jul 1977 | |
| 4140630 | Scarlett et al. | Feb 1979 | |
| 4350591 | Lee | Sep 1982 | |
| 4380494 | Wilson | Apr 1983 | |
| 4420391 | Sharki | Dec 1983 | |
| 4457839 | Bailey | Jul 1984 | |
| 4546783 | Lott | Oct 1985 | |
| 4575421 | Derrick et al. | Mar 1986 | |
| 4582597 | Huber | Apr 1986 | |
| 4634535 | Lott | Jan 1987 | |
| 4728422 | Bailey | Mar 1988 | |
| 4735712 | Herren et al. | Apr 1988 | |
| 4820407 | Lilie | Apr 1989 | |
| 5221008 | Derrick, Jr. et al. | Jun 1993 |
| Entry |
|---|
| "Clean Liquids/Dry Solids," Flo Trend Systems, Inc., 1989. |
| "Filtration & Separation," Flo Trend Systems, Inc. 1989. |
| "Screening Equipment Handbook," Pankratz, 1988. |
| "Catalog 105 H & K Perforated Matrials," Harrington & King Perforating Company, 1988. |
| "McNally Coal Preparation Manual, M 576" pp. iii, 73-96, 216 (1978). |
| "Layered shale shaker screens improve mud solids control," World Oil (1978). |
| "The Brandt Company General Catalog 1982-83," 4 pages (1982). |
| "Derrick Sandwich Shaker," Derrick Equipment Co. (Prior to 1992). |
| "Take The Drilled Solids Out," The Brandt Company, (Sep. 1980). |
| "Sweco Full-Flow," Sweco, Inc. 1992. |
| "Sweco Oilfield Services," Composite Catalog, 1992. |
| "Supertaut Mud Cleaner Screens," Sweco Oilfield Services, 1992. |
| "LM-3 Full-Flo Shale Shaker," Sweco Oilfield Services, 1991. |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 14571 | Oct 1993 |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 56123 | Apr 1993 | |
| Parent | 105696 | Aug 1993 |
