Keener; Robert M.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Keener; Robert M..The latest application filed is for "apparatus for controlling a pump".
- Keener; Robert M. - Ashland OH
| Patent | Date |
|---|---|
| Sewage pump Grant 8,109,714 - Keener February 7, 2 | 2012-02-07 |
| Apparatus for Controlling a Pump App 20110052414 - Keener; Robert M. | 2011-03-03 |
| Blade set for masserating effluent water in a sewage pump Grant 7,841,827 - Keener November 30, 2 | 2010-11-30 |
| Float Device For A Sewage Pump App 20100129232 - Keener; Robert M. | 2010-05-27 |
| Sewage Pump App 20090162219 - Keener; Robert M. | 2009-06-25 |
| Blade Set for Masserating Effluent Water in a Sewage Pump App 20090087317 - Keener; Robert M. | 2009-04-02 |
| Sewage Pump App 20090067992 - Keener; Robert M. | 2009-03-12 |
| Protective device for a controlling system of a sewage pump Grant 7,489,484 - Keener February 10, 2 | 2009-02-10 |
| Protective Device For A Controlling System Of A Sewage Pump App 20080219857 - Keener; Robert M. | 2008-09-11 |
| Protective Device For A Controlling System Of A Sewage Pump App 20080158743 - Keener; Robert M. | 2008-07-03 |
| Protective Device For A Controlling System Of A Sewage Pump App 20080159876 - Keener; Robert M. | 2008-07-03 |
| Blade Wheel For A Sewage Pump App 20080095630 - Keener; Robert M. | 2008-04-24 |
| Sewage pump Grant 7,354,009 - Keener April 8, 2 | 2008-04-08 |
| Sewage Pump App 20070102547 - Keener; Robert M. | 2007-05-10 |
| Centrifugal sewage pumps with two impellers Grant 6,916,152 - Keener July 12, 2 | 2005-07-12 |
| Centrifugal sewage pumps with two impellers App 20040253094 - Keener, Robert M. | 2004-12-16 |
| High current float switch Grant 4,540,891 - Keener , et al. September 10, 1 | 1985-09-10 |
| Float-type pump control switch Grant 4,084,073 - Keener April 11, 1 | 1978-04-11 |
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