DL

David A. Laing

UN Unknown: 4 patents #4,220 of 83,584Top 6%
VE Victor Equipment: 2 patents #26 of 77Top 35%
Overall (All Time): #384,982 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8372281 Scraper adjustment mechanism and method 2013-02-12
8057685 Solid separator 2011-11-15
7364662 Scraper adjustment mechanism and method James Benenson, Jr. 2008-04-29
7083735 High debris content strainer 2006-08-01
6861004 Self-cleaning water filter James Benenson, Jr. 2005-03-01
6821444 Self-cleaning fuel oil strainer James Benenson, Jr. 2004-11-23
6712981 Method of cleaning a cylindrical water strainer utilizing reverse flow and ultrasonic energy James Benenson, Jr. 2004-03-30
6676834 Self-cleaning water filter James Benenson, Jr. 2004-01-13
6666976 Self cleaning water filter James Benenson, Jr. 2003-12-23
6517722 Self cleaning fuel oil strainer James Benenson, Jr. 2003-02-11
6177022 Self-cleaning fuel oil strainer James Benenson, Jr. 2001-01-23
4469311 Motorized hand torch 1984-09-04
4327898 Traveling torch Gerald B. Grant, Roger J. Madsen 1982-05-04