Inventor
KULP JACK H
US75 patents
⚠️ This page may combine multiple inventors who share the name “KULP JACK H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TRAFFIX DEVICES INC
34 patentsUS7677831B2Mar 16, 2010
Flexible marker device
TRAFFIX DEVICES INC20 citations93
US6430855B1Aug 13, 2002
Sign stand with flexible upper mast portion
TRAFFIX DEVICES INC31 citations93
USD309585SJul 31, 1990
Two piece breakaway traffic channelizer
TRAFFIX DEVICES INC26 citations93
US7866913B2Jan 11, 2011
Water-ballasted protection barrier
TRAFFIX DEVICES INC18 citations92
US7811026B1Oct 12, 2010
Support base for flexible marker device
TRAFFIX DEVICES INC21 citations92
US6003827ADec 21, 1999
Universal sign holder
TRAFFIX DEVICES INC26 citations92
US5611509AMar 18, 1997
Quick release mechanism for a display stand
TRAFFIX DEVICES INC26 citations92
US5540007AJul 30, 1996
Highway signs capable of being rolled up
TRAFFIX DEVICES INC26 citations92
US5446984ASep 5, 1995
Highway signs capable of being rolled up and improved mounting brackets for the signs
TRAFFIX DEVICES INC31 citations92
US5201599AApr 13, 1993
Stabilized barrel-like traffic control element
TRAFFIX DEVICES INC47 citations92
US5026204AJun 25, 1991
Traffic control element and method of erecting and stabilizing same
TRAFFIX DEVICES INC43 citations92
US6186699B1Feb 13, 2001
Easily stackable safety delineators
TRAFFIX DEVICES INC24 citations91
US6095716AAug 1, 2000
Stackable vertical panel
TRAFFIX DEVICES INC22 citations91
US5732911AMar 31, 1998
Legless sign stand
TRAFFIX DEVICES INC38 citations88
US11400884B1Aug 2, 2022
Vehicle-mounted crash attenuator
TRAFFIX DEVICES INC10 citations86
US10106938B1Oct 23, 2018
Modular travel warning strip system and methods
TRAFFIX DEVICES INC7 citations84
US9797102B2Oct 24, 2017
Traffic cone
TRAFFIX DEVICES INC12 citations84
US9783941B1Oct 10, 2017
Modular travel warning strip system and methods
TRAFFIX DEVICES INC7 citations84
US7931422B2Apr 26, 2011
Water-ballasted protection barrier
TRAFFIX DEVICES INC13 citations84
US7866914B2Jan 11, 2011
Flexible marker device
TRAFFIX DEVICES INC11 citations84
US7811025B2Oct 12, 2010
Water wall
TRAFFIX DEVICES INC10 citations84
US7794174B2Sep 14, 2010
Crash impact attenuator systems and methods
TRAFFIX DEVICES INC13 citations84
US6786673B2Sep 7, 2004
Anti-rotational traffic channeling device
TRAFFIX DEVICES INC13 citations84
US6478505B1Nov 12, 2002
Anti-rotational traffic channeling device
TRAFFIX DEVICES INC16 citations84
US11414822B2Aug 16, 2022
Modular travel warning strip system and methods
TRAFFIX DEVICES INC5 citations83
US8376651B2Feb 19, 2013
Water-ballasted protection barriers and methods
TRAFFIX DEVICES INC11 citations83
US9624630B1Apr 18, 2017
Pedestrian barricade
TRAFFIX DEVICES INC18 citations82
US9260829B1Feb 16, 2016
Pedestrian barricade
TRAFFIX DEVICES INC11 citations82
US6520712B2Feb 18, 2003
Safety delineators which easily stack
TRAFFIX DEVICES INC17 citations82
US12234615B2Feb 25, 2025
Modular travel warning strip system and methods
TRAFFIX DEVICES INC1 citations74
US6402422B1Jun 11, 2002
Laterally stable vertical panel system
TRAFFIX DEVICES INC11 citations74
US6047941AApr 11, 2000
Flag holder
TRAFFIX DEVICES INC14 citations74
US6036247AMar 14, 2000
Adjustable inner diameter barrel lifting assembly
TRAFFIX DEVICES INC11 citations74
US5624092AApr 29, 1997
Adjustable sign mounting brackets
TRAFFIX DEVICES INC8 citations74
TRAFFIX DEVICES
4 patentsUS5560732AOct 1, 1996
Safety delineators
TRAFFIX DEVICES64 citations96
US5868520AFeb 9, 1999
Channelizer ballasting system using tire sidewalls
TRAFFIX DEVICES20 citations91
US5755528AMay 26, 1998
Unitary stabilizing base
TRAFFIX DEVICES41 citations91
US5749673AMay 12, 1998
Stackable vertical panel
TRAFFIX DEVICES31 citations90
ROYAL INDUSTRIES
3 patentsKULP JACK H
3 patentsLUKENS GENERAL IND INC
1 patentTRAFFIC DEVICES INC
1 patentTRAF FIX DEVICES INC
1 patentLEAR SIEGLER INC
1 patentMCKENNEY JOHN D
1 patentSIGNAL INC
1 patentShowing the top 50 of 75 patents by PatentIndex Score.