Inventor
HART DENNIS L
US29 patents
⚠️ This page may combine multiple inventors who share the name “HART DENNIS L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SECURUS INC
12 patentsUS7377472B2May 27, 2008
Pipe and cable holder
SECURUS INC80 citations98
US9103116B2Aug 11, 2015
Extendable sleeve for poured concrete deck
SECURUS INC26 citations92
US9086174B2Jul 21, 2015
Extendable sleeve for poured concrete deck
SECURUS INC21 citations92
US9022326B2May 5, 2015
Pipe holder and support
SECURUS INC26 citations92
US6655413B2Dec 2, 2003
Method and apparatus for pressure testing pipe lines
SECURUS INC37 citations92
US9964461B2May 8, 2018
Pipe pressure testing method and apparatus
SECURUS INC13 citations91
US9476199B2Oct 25, 2016
Extendable sleeve for poured concrete deck
SECURUS INC12 citations91
US9388570B2Jul 12, 2016
Extendable sleeve for poured concrete deck
SECURUS INC13 citations91
US7398675B1Jul 15, 2008
Dual slide gate valve and method for using same
SECURUS INC16 citations91
US6997041B1Feb 14, 2006
Dual slide gate valve and method for using same
SECURUS INC34 citations91
US10344472B2Jul 9, 2019
Extendable sleeve for a poured concrete deck
SECURUS INC8 citations83
US7654287B1Feb 2, 2010
Dual slide gate valve and method for using same
SECURUS INC5 citations72
RELIANCE WORLDWIDE CORP
10 patentsUS10656042B2May 19, 2020
Pipe pressure testing method and apparatus
RELIANCE WORLDWIDE CORP4 citations83
US11781677B2Oct 10, 2023
Bracket for positioning and protecting pipes in concrete
RELIANCE WORLDWIDE CORP2 citations72
US11493399B2Nov 8, 2022
Pipe pressure testing method and apparatus
RELIANCE WORLDWIDE CORP2 citations72
US10989334B2Apr 27, 2021
Bracket for positioning and protecting pipes in concrete
RELIANCE WORLDWIDE CORP2 citations72
US11255477B2Feb 22, 2022
Cap for risers in concrete decks
RELIANCE WORLDWIDE CORP3 citations70
US11781934B2Oct 10, 2023
Pipe pressure testing method and apparatus
RELIANCE WORLDWIDE CORP0 citations61
US12385234B2Aug 12, 2025
Appliance outlet box
RELIANCE WORLDWIDE CORP1 citations59
US11698158B2Jul 11, 2023
Cap for risers in concrete decks
RELIANCE WORLDWIDE CORP0 citations59
US12448758B2Oct 21, 2025
Appliance outlet box
RELIANCE WORLDWIDE CORP0 citations57
US11186986B2Nov 30, 2021
Sleeve assembly for a poured concrete deck
RELIANCE WORLDWIDE CORP0 citations51