| Search Again | Story County, Iowa Inventory Patents |
Story Co. Home Page |
| Name | Patent Title | Patent Number |
City | Year |
|---|---|---|---|---|
| Joseph P. LAWLOR | drilling wells | 02016785 | Ames | 1935 |
| Joseph P. LAWLOR | water treating apparatus | 02721173 | Ames | 1955 |
| Joseph P. LAWLOR | slurry feeder | 02743909 | Ames | 1956 |
| Joseph P. LAWLOR | milticell filter apparatus | 02754971 | Ames | 1956 |
| Joseph P. LAWLOR | multicell filter apparatus | RE024275 | Ames | 1957 |
| Joseph P. LAWLOR | flow indicator for filter apparatus | 02814950 | Ames | 1957 |
| Joseph P. LAWLOR | sludge blanket clarifier | 02838180 | Ames | 1958 |
| Joseph P. LAWLOR | variable flow reactor | 02926856 | Ames | 1960 |
| Joseph P. LAWLOR | apparatus for the cleaning of filtering equipment | 02981416 | Ames | 1961 |
| Joseph P. LAWLOR | device for distributing sewerage water over an outdoor filter bed | 03001722 | Ames | 1961 |
| Joseph P. LAWLOR | filter underdrain | 02594568 | Ames | 1952 |
| Joseph P. LAWLOR | water treating process and apparatus | 02495937 | Ames | 1950 |
| Joseph P. LAWLOR | water softening | 02223892 | Ames | 1940 |
| Joseph P. LAWLOR | removing iron from water | 02237882 | Ames | 1941 |
| Joseph P. LAWLOR | aeration of treated water in elevated tanks | 02128617 | Ames | 1938 |
| Joseph P. LAWLOR | iron removal apparatus | 02239612 | Ames | 1941 |
| Joseph P. LAWLOR | water purifying apparatus | 02268076 | Ames | 1941 |
| Joseph P. LAWLOR | removal of manganese from water | 02355808 | Ames | 1944 |
| Joseph P. LAWLOR | method and apparatus for treating water | 02376543 | Ames | 1945 |
| Joseph P. LAWLOR | method and apparatus for treating water | 02382490 | Ames | 1945 |
| Joseph P. LAWLOR | automatic backwash filter control | 02184618 | Ames | 1939 |
| Joseph Patrick LAWLOR | water treating apparatus | 02829776 | Ames | 1958 |
| Leo M. LAWLOR | rear guard computer shield | D0314192 | Ames | 1991 |
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