David L. Walsh

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Stamford, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Pivoting tube brush
- Patent number 10,179,352
- Issue date Jan 15, 2019
- Crossford International, LLC
- Timothy J. Kane
- A46 - BRUSHWARE
Information Patent Grant
Stand-alone chemical dispenser
- Patent number 9,950,302
- Issue date Apr 24, 2018
- Crossford International, LLC
- David L. Walsh
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Systems and methods for tabletized tube cleaning
- Patent number 9,938,490
- Issue date Apr 10, 2018
- Crossford International, LLC
- Dave Walsh
- B08 - CLEANING
Information Patent Grant
Fire-tube boiler cleaner
- Patent number 9,517,496
- Issue date Dec 13, 2016
- Crossford International, LLC
- Timothy J. Kane
- B08 - CLEANING
Information Patent Grant
Portable coil cleaning and vacuum system
- Patent number 9,505,037
- Issue date Nov 29, 2016
- Crossford International, LLC
- Timothy J. Kane
- B08 - CLEANING

Patents Applicationslast 30 patents

Information Patent Application
PIVOTING TUBE BRUSH
- Publication number 20160263631
- Publication date Sep 15, 2016
- Crossford International, LLC
- Timothy J. Kane
- A46 - BRUSHWARE
Information Patent Application
SYSTEMS AND METHODS FOR TABLETIZED TUBE CLEANING
- Publication number 20160257913
- Publication date Sep 8, 2016
- Crossford International, LLC
- Dave Walsh
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Application
FIRE-TUBE BOILER CLEANER
- Publication number 20160221051
- Publication date Aug 4, 2016
- Crossford International, LLC
- Timothy J. Kane
- B08 - CLEANING
Information Patent Application
PORTABLE COIL CLEANING AND VACUUM SYSTEM
- Publication number 20160088986
- Publication date Mar 31, 2016
- Crossford International, LLC
- Timothy J. Kane
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...