Frederick A. Hekman

Person

Holland, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for cleaning fabrics, floor coverings, and bar...
- Patent number 7,967,914
- Issue date Jun 28, 2011
- Tennant Company
- Daniel G. Giddings
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Secondary introduction of fluid into vacuum system
- Patent number 7,272,870
- Issue date Sep 25, 2007
- Tennant Company
- Paul M. Pierce
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Dual mode carpet cleaning apparatus utilizing an extraction device...
- Patent number 6,735,812
- Issue date May 18, 2004
- Tennant Company
- Frederick A. Hekman
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

Information Patent Application
Water Recycling System for Mobile Surface Cleaners
- Publication number 20150196182
- Publication date Jul 16, 2015
- TENNANT COMPANY
- Frederick Allen Hekman
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
CLEANING APPARATUS
- Publication number 20140013540
- Publication date Jan 16, 2014
- TENNANT COMPANY
- Robert J. Erko
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
Method and Apparatus for Cleaning Fabrics, Floor Coverings, and Bar...
- Publication number 20090293912
- Publication date Dec 3, 2009
- TENNANT COMPANY
- Daniel G. Giddings
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
SOFT FLOOR PRE-SPRAY UNIT UTILIZING ELECTROCHEMICALLY-ACTIVATED WAT...
- Publication number 20090120460
- Publication date May 14, 2009
- TENNANT COMPANY
- Frederick A. Hekman
- B08 - CLEANING
Information Patent Application
Method and apparatus for cleaning fabrics, floor coverings, and bar...
- Publication number 20040172769
- Publication date Sep 9, 2004
- Daniel G. Giddings
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
Dual mode carpet cleaning apparatus utilizing an extraction device...
- Publication number 20030159232
- Publication date Aug 28, 2003
- Frederick A. Hekman
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Frederick A. Hekman

Person

Patents Grantslast 30 patents

Method and apparatus for cleaning fabrics, floor coverings, and bar...

Secondary introduction of fluid into vacuum system

Dual mode carpet cleaning apparatus utilizing an extraction device...

Patents Applicationslast 30 patents

Water Recycling System for Mobile Surface Cleaners

CLEANING APPARATUS

Method and Apparatus for Cleaning Fabrics, Floor Coverings, and Bar...

SOFT FLOOR PRE-SPRAY UNIT UTILIZING ELECTROCHEMICALLY-ACTIVATED WAT...

Method and apparatus for cleaning fabrics, floor coverings, and bar...

Dual mode carpet cleaning apparatus utilizing an extraction device...