Inventor
Robert E. Harr
Inventor
Kasilof, AK, US
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B08Bprimary
B08BCleaning in general17%
E21BEarth or rock drilling13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
E03FSewers10%
E01FAdditional work, such as equipping roads or the construction of platforms, helicopter landing stages, signs, snow fences, or the like7%
E02BHydraulic engineering7%
E02FDredging7%
F16LPipes7%
G02BOptical elements, systems or apparatus7%
B60PVehicles adapted for load transportation or to transport, to carry, or to comprise special loads or objects3%
PatentTitleYear
10,422,120Forward articulating cleaning and removal apparatus and method20199,650,557'Green directional drilling fluid composition'20179,651,167'Trenchless drainage structure replacement'20179,290,993'Method and system for installation of in-ground conduit'20168,556,539'Trenchless drainage structure replacement'20138,545,130'Wick assembly and method for installing an underdrain'20138,347,446'Drainage structure cleaning tool'20138,303,215'Wick assembly and method for installing an underdrain'20127,725,978'Drainage structure cleaning apparatus'20107,721,375'Drainage structure cleaning tool'20107,398,785'Method for cleaning a culvert'20086,647,182'Echelle grating dense wavelength division multiplexer/demultiplexer'20036,421,479'Apparatus and method facilitating optical alignment of a bulk optical multiplexer/demultiplexer'20025,993,137'Adjustable hoist for use with vehicle'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999Based in Gillette, WY, US· patent location history
2002–2003Patents assigned to ZOLO TECHNOLOGIES INC (2)· patent assignee history
2002–2003Based in Arvada, CO, US· patent location history
2008–2010Patents assigned to HARR TECHNOLOGIES LLC (3)· patent assignee history
2008–2013Based in Pritchett, CO, US· patent location history
2012–2016Patents assigned to HARR ROBERT E (4)· patent assignee history
2012–2013Patents assigned to HARR TECHNOLOGIES INC (4)· patent assignee history
2013–2019Based in Kasilof, AK, US· patent location history
2017Patents assigned to HARR TECH INC (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HARR ROBERT Eself | 4 | 2012–2016 |
| HARR TECHNOLOGIES INC | 4 | 2012–2013 |
| HARR TECHNOLOGIES LLC | 3 | 2008–2010 |
| HARR TECH INC | 2 | 2017 |
| ZOLO TECHNOLOGIES INC | 2 | 2002–2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kasilof, AK, US | 6 | 2013–2019 |
| Pritchett, CO, US | 5 | 2008–2013 |
| Arvada, CO, US | 2 | 2002–2003 |
| Gillette, WY, US | 1 | 1999 |