Robert E. Harr

Person

Pritchett, CO, US

People

Patents Grantslast 30 patents

Information Patent Grant
Forward articulating cleaning and removal apparatus and method
- Patent number 10,422,120
- Issue date Sep 24, 2019
- Harr Technologies, LLC
- Robert Harr
- B08 - CLEANING
Information Patent Grant
Trenchless drainage structure replacement
- Patent number 9,651,167
- Issue date May 16, 2017
- Harr Technologies, Inc.
- Robert E. Harr
- E21 - EARTH DRILLING MINING
Information Patent Grant
Green directional drilling fluid composition
- Patent number 9,650,557
- Issue date May 16, 2017
- Harr Technologies, Inc.
- Robert E. Harr
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and system for installation of in-ground conduit
- Patent number 9,290,993
- Issue date Mar 22, 2016
- Robert E Harr
- E21 - EARTH DRILLING MINING
Information Patent Grant
Trenchless drainage structure replacement
- Patent number 8,556,539
- Issue date Oct 15, 2013
- Harr Technologies, Inc.
- Robert E. Harr
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Wick assembly and method for installing an underdrain
- Patent number 8,545,130
- Issue date Oct 1, 2013
- Harr Technologies, Inc.
- Robert E. Harr
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Drainage structure cleaning tool
- Patent number 8,347,446
- Issue date Jan 8, 2013
- Harr Technologies, Inc.
- Robert E. Harr
- B08 - CLEANING
Information Patent Grant
Wick assembly and method for installing an underdrain
- Patent number 8,303,215
- Issue date Nov 6, 2012
- Harr Technologies, Inc.
- Robert E. Harr
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Drainage structure cleaning apparatus
- Patent number 7,725,978
- Issue date Jun 1, 2010
- Harr Technologies, LLC
- Robert E. Harr
- B08 - CLEANING
Information Patent Grant
Drainage structure cleaning tool
- Patent number 7,721,375
- Issue date May 25, 2010
- Harr Technologies, LLC
- Robert E. Harr
- B08 - CLEANING
Information Patent Grant
Method for cleaning a culvert
- Patent number 7,398,785
- Issue date Jul 15, 2008
- Harr Technologies, LLC
- Robert E. Harr
- B08 - CLEANING

Patents Applicationslast 30 patents

Information Patent Application
FORWARD ARTICULATING CLEANING AND REMOVAL APPARATUS AND METHOD
- Publication number 20190368186
- Publication date Dec 5, 2019
- HARR TECHNOLOGIES, LLC
- Robert Harr
- B08 - CLEANING
Information Patent Application
FORWARD ARTICULATING CLEANING AND REMOVAL APPARATUS AND METHOD
- Publication number 20170203338
- Publication date Jul 20, 2017
- HARR TECHNOLOGIES, LLC
- Robert Harr
- B08 - CLEANING
Information Patent Application
TRENCHLESS DRAINAGE STRUCTURE REPLACEMENT
- Publication number 20150369394
- Publication date Dec 24, 2015
- Harr Technologies, Inc.
- Robert E. Harr
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
DRAINAGE STRUCTURE CLEANING TOOL AND METHOD
- Publication number 20150258586
- Publication date Sep 17, 2015
- Harr Technologies, Inc.
- ROBERT HARR
- B08 - CLEANING
Information Patent Application
TRENCHLESS DRAINAGE STRUCTURE REPLACEMENT
- Publication number 20140112721
- Publication date Apr 24, 2014
- Harr Technologies, Inc.
- Robert E. Harr
- E21 - EARTH DRILLING MINING
Information Patent Application
GREEN DIRECTIONAL DRILLING FLUID COMPOSITION
- Publication number 20140110177
- Publication date Apr 24, 2014
- Harr Technologies, Inc.
- Robert E. Harr
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
WICK ASSEMBLY AND METHOD FOR INSTALLING AN UNDERDRAIN
- Publication number 20140030021
- Publication date Jan 30, 2014
- Harr Technologies, Inc.
- Robert E. Harr
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
METHOD AND SYSTEM FOR INSTALLATION OF IN-GROUND CONDUIT
- Publication number 20140027183
- Publication date Jan 30, 2014
- Robert E. Harr
- E21 - EARTH DRILLING MINING
Information Patent Application
DRAINAGE STRUCTURE CLEANING TOOL AND METHOD
- Publication number 20130180549
- Publication date Jul 18, 2013
- Harr Technologies, Inc.
- Robert Harr
- B08 - CLEANING
Information Patent Application
WICK ASSEMBLY AND METHOD FOR INSTALLING AN UNDERDRAIN
- Publication number 20130058713
- Publication date Mar 7, 2013
- Harr Technologies, Inc.
- Robert Harr
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
TRENCHLESS DRAINAGE STRUCTURE REPLACEMENT
- Publication number 20120087739
- Publication date Apr 12, 2012
- Robert E. Harr
- E21 - EARTH DRILLING MINING
Information Patent Application
Green directional drilling fluid composition
- Publication number 20100181110
- Publication date Jul 22, 2010
- Robert E. Harr
- E21 - EARTH DRILLING MINING
Information Patent Application
Drainage structure cleaning tool and method
- Publication number 20080127438
- Publication date Jun 5, 2008
- Robert E. Harr
- B08 - CLEANING
Information Patent Application
Drainage structure cleaning tool and method
- Publication number 20080028566
- Publication date Feb 7, 2008
- Robert E. Harr
- B08 - CLEANING
Information Patent Application
Drainage structure cleaning apparatus
- Publication number 20070186963
- Publication date Aug 16, 2007
- Robert E. Harr
- B08 - CLEANING
Information Patent Application
Wick assembly and method for installing an underdrain
- Publication number 20070098500
- Publication date May 3, 2007
- Robert E. Harr
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
Drainage structure cleaning tool and method
- Publication number 20060243303
- Publication date Nov 2, 2006
- Harr Technologies, LLC
- Robert E. Harr
- B08 - CLEANING
Information Patent Application
Drainage structure cleaning tool and method
- Publication number 20060157083
- Publication date Jul 20, 2006
- Harr Technologies, LLC
- Robert E. Harr
- B08 - CLEANING
Information Patent Application
Drainage structure cleaning tool and method
- Publication number 20060157096
- Publication date Jul 20, 2006
- Harr Technologies, LLC
- Robert E. Harr
- B08 - CLEANING
Information Patent Application
Hydraulic wick apparatus and method
- Publication number 20050214070
- Publication date Sep 29, 2005
- Harr Technologies, LLC
- Robert E. Harr
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
Culvert cleaning tool and method
- Publication number 20050097689
- Publication date May 12, 2005
- Harr Technologies, LLC
- Robert E. Harr
- B08 - CLEANING

Robert E. Harr

Person

Patents Grantslast 30 patents

Forward articulating cleaning and removal apparatus and method

Trenchless drainage structure replacement

Green directional drilling fluid composition

Method and system for installation of in-ground conduit

Trenchless drainage structure replacement

Wick assembly and method for installing an underdrain

Drainage structure cleaning tool

Wick assembly and method for installing an underdrain

Drainage structure cleaning apparatus

Drainage structure cleaning tool

Method for cleaning a culvert

Patents Applicationslast 30 patents

FORWARD ARTICULATING CLEANING AND REMOVAL APPARATUS AND METHOD

FORWARD ARTICULATING CLEANING AND REMOVAL APPARATUS AND METHOD

TRENCHLESS DRAINAGE STRUCTURE REPLACEMENT

DRAINAGE STRUCTURE CLEANING TOOL AND METHOD

TRENCHLESS DRAINAGE STRUCTURE REPLACEMENT

GREEN DIRECTIONAL DRILLING FLUID COMPOSITION

WICK ASSEMBLY AND METHOD FOR INSTALLING AN UNDERDRAIN

METHOD AND SYSTEM FOR INSTALLATION OF IN-GROUND CONDUIT

DRAINAGE STRUCTURE CLEANING TOOL AND METHOD

WICK ASSEMBLY AND METHOD FOR INSTALLING AN UNDERDRAIN

TRENCHLESS DRAINAGE STRUCTURE REPLACEMENT

Green directional drilling fluid composition

Drainage structure cleaning tool and method

Drainage structure cleaning tool and method

Drainage structure cleaning apparatus

Wick assembly and method for installing an underdrain

Drainage structure cleaning tool and method

Drainage structure cleaning tool and method

Drainage structure cleaning tool and method

Hydraulic wick apparatus and method

Culvert cleaning tool and method