Harr; Robert E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Harr; Robert E..The latest application filed is for "trenchless drainage structure replacement".
- Harr; Robert E. - Kasilof AK
- Harr; Robert E - Kasilof AK US
- Harr; Robert E. - Pritchett CO
- Harr; Robert E - Gillette WY
| Patent | Date |
|---|---|
| Green directional drilling fluid composition Grant 9,650,557 - Harr May 16, 2 | 2017-05-16 |
| Trenchless drainage structure replacement Grant 9,651,167 - Harr May 16, 2 | 2017-05-16 |
| Method and system for installation of in-ground conduit Grant 9,290,993 - Harr , et al. March 22, 2 | 2016-03-22 |
| Trenchless Drainage Structure Replacement App 20150369394 - Harr; Robert E. | 2015-12-24 |
| Trenchless Drainage Structure Replacement App 20140112721 - Harr; Robert E. | 2014-04-24 |
| Green Directional Drilling Fluid Composition App 20140110177 - Harr; Robert E. | 2014-04-24 |
| Wick Assembly And Method For Installing An Underdrain App 20140030021 - Harr; Robert E. | 2014-01-30 |
| Method And System For Installation Of In-ground Conduit App 20140027183 - Harr; Robert E. ; et al. | 2014-01-30 |
| Trenchless drainage structure replacement Grant 8,556,539 - Harr October 15, 2 | 2013-10-15 |
| Wick assembly and method for installing an underdrain Grant 8,545,130 - Harr October 1, 2 | 2013-10-01 |
| Drainage structure cleaning tool Grant 8,347,446 - Harr January 8, 2 | 2013-01-08 |
| Wick assembly and method for installing an underdrain Grant 8,303,215 - Harr November 6, 2 | 2012-11-06 |
| Trenchless Drainage Structure Replacement App 20120087739 - Harr; Robert E. | 2012-04-12 |
| Green directional drilling fluid composition App 20100181110 - Harr; Robert E. | 2010-07-22 |
| Drainage structure cleaning apparatus Grant 7,725,978 - Harr June 1, 2 | 2010-06-01 |
| Drainage structure cleaning tool Grant 7,721,375 - Harr May 25, 2 | 2010-05-25 |
| Method for cleaning a culvert Grant 7,398,785 - Harr July 15, 2 | 2008-07-15 |
| Drainage structure cleaning tool and method App 20080127438 - Harr; Robert E. | 2008-06-05 |
| Drainage structure cleaning tool and method App 20080028566 - Harr; Robert E. | 2008-02-07 |
| Drainage structure cleaning apparatus App 20070186963 - Harr; Robert E. | 2007-08-16 |
| Wick assembly and method for installing an underdrain App 20070098500 - Harr; Robert E. | 2007-05-03 |
| Drainage structure cleaning tool and method App 20060243303 - Harr; Robert E. | 2006-11-02 |
| Drainage structure cleaning tool and method App 20060157096 - Harr; Robert E. | 2006-07-20 |
| Drainage structure cleaning tool and method App 20060157083 - Harr; Robert E. | 2006-07-20 |
| Hydraulic wick apparatus and method App 20050214070 - Harr, Robert E. | 2005-09-29 |
| Culvert cleaning tool and method App 20050097689 - Harr, Robert E. | 2005-05-12 |
| Adjustable hoist for use with vehicle Grant 5,993,137 - Harr November 30, 1 | 1999-11-30 |
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