Thomas L. Kendall has been granted 9 US patents while listed as an inventor at Securus . The first was granted in 1980 and the most recent in March 2025. Thomas L. Kendall ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Thomas L. Kendall in Lockhart, TX, US.
Patents per Year Patents granted per year, 1980 to 2025 Bar chart with a peak of 1 patents in 1980. peak 1 1980: 1 patents 1980 1981: 1 patents 1981 2002: 1 patents 2002 2003: 1 patents 2003 2004: 1 patents 2004 2006: 1 patents 2006 2008: 1 patents 2008 2010: 1 patents 2010 2025: 1 patents 2025
Issued Patents All Time
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Showing 1–9 of 9 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
12256682 System and method for automating transfer of plants within an agricultural facility Brandon Ace Alexander , Jonathan Binney , Winnie Ding , Bianca Homberg , Warren Huffman +4 more 2025-03-25
7654287 Dual slide gate valve and method for using same Greg P. Metzger , Fred O. Enstrom , Scott W. Randolph , Duane R. Condon , Larry D. Brown +1 more 2010-02-02
7398675 Dual slide gate valve and method for using same Greg P. Metzger , Fred O. Enstrom , Scott W. Randolph , Duane R. Condon , Larry D. Brown +1 more 2008-07-15
6997041 Dual slide gate valve and method for using same Greg P. Metzger , Fred O. Enstrom , Scott W. Randolph , Duane R. Condon , Larry D. Brown +1 more 2006-02-14
6796335 Pipe protector and support Mark David Hubbard 2004-09-28
6655413 Method and apparatus for pressure testing pipe lines Duane R. Condon , Larry D. Brown , Scott W. Randolph , Dennis L. Hart 2003-12-02
6375128 Pipe locator and support Duane R. Condon 2002-04-23
4244022 Irrigation control system — 1981-01-06
$715,000
4189776 Simplified irrigation controller — 1980-02-19
$757,000