Inventor
RICHMOND DARRELL A
US51 patents
⚠️ This page may combine multiple inventors who share the name “RICHMOND DARRELL A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
L&P PROPERTY MAN CO
31 patentsUS9943173B2Apr 17, 2018
Pocketed spring comfort layer and method of making same
L&P PROPERTY MAN CO35 citations93
US9332856B2May 10, 2016
Pocketed spring assembly comprising strings of springs of different heights and enhanced ventilation
L&P PROPERTY MAN CO14 citations92
US10206515B1Feb 19, 2019
Pocketed spring assembly
L&P PROPERTY MAN CO18 citations84
US9370252B2Jun 21, 2016
Pocketed spring assembly
L&P PROPERTY MAN CO5 citations84
US9345334B2May 24, 2016
Pocketed spring assembly comprising strings of springs having Y-shaped seams separating adjacent pockets
L&P PROPERTY MAN CO8 citations84
USD880214SApr 7, 2020
Pocketed spring comfort layer
L&P PROPERTY MAN CO6 citations82
USD880215SApr 7, 2020
Pocketed spring comfort layer
L&P PROPERTY MAN CO5 citations82
US10512340B2Dec 24, 2019
Pocketed spring assembly comprising strings of springs with tabs
L&P PROPERTY MAN CO9 citations82
USD878840SMar 24, 2020
Pocketed spring comfort layer
L&P PROPERTY MAN CO5 citations81
USD883002SMay 5, 2020
Continuous spring
L&P PROPERTY MAN CO3 citations73
US10010189B2Jul 3, 2018
Pocketed spring assembly comprising strings of springs of different heights and enhanced ventilation
L&P PROPERTY MAN CO2 citations73
US10010190B2Jul 3, 2018
Pocketed spring assembly
L&P PROPERTY MAN CO2 citations73
US9968203B2May 15, 2018
Pocketed spring assembly comprising strings of springs having non-linear separating seams
L&P PROPERTY MAN CO3 citations73
US9775442B2Oct 3, 2017
Pocketed spring assembly comprising strings of springs having non-linear separating seams
L&P PROPERTY MAN CO3 citations73
US9427090B2Aug 30, 2016
Pocketed spring assembly comprising strings of springs having Y-shaped seams
L&P PROPERTY MAN CO4 citations73
US10624467B2Apr 21, 2020
Pocketed spring comfort layer
L&P PROPERTY MAN CO3 citations72
US10624466B2Apr 21, 2020
Pocketed spring comfort layer
L&P PROPERTY MAN CO2 citations72
US10973339B2Apr 13, 2021
Pocketed spring comfort layer having at least one foam layer and method of making same
L&P PROPERTY MAN CO3 citations71
US10750877B2Aug 25, 2020
Pocketed spring comfort layer having at least one foam layer and method of making same
L&P PROPERTY MAN CO2 citations71
US10722044B2Jul 28, 2020
Dual-layered fabric for use in pocketed spring assembly
L&P PROPERTY MAN CO2 citations71
US10477979B2Nov 19, 2019
Pocketed spring assembly
L&P PROPERTY MAN CO4 citations71
US9764939B2Sep 19, 2017
Method of making strings of pocketed springs
L&P PROPERTY MAN CO3 citations71
US9414692B2Aug 16, 2016
Pocketed spring assembly comprising strings of springs having Y-shaped seams and inserts
L&P PROPERTY MAN CO2 citations63
US12336636B2Jun 24, 2025
Posturized pocketed spring comfort layer
L&P PROPERTY MAN CO0 citations62
USD825974SAug 21, 2018
Continuous spring
L&P PROPERTY MAN CO1 citations62
US12245701B2Mar 11, 2025
Sectioned pocketed spring assembly
L&P PROPERTY MAN CO0 citations61
US11317730B2May 3, 2022
Pocketed spring assembly
L&P PROPERTY MAN CO0 citations61
US11109686B2Sep 7, 2021
Method of making a continuous string of pocketed springs
L&P PROPERTY MAN CO1 citations61
US11103083B2Aug 31, 2021
Comfort layer having pocketed springs of different heights
L&P PROPERTY MAN CO0 citations60
US10426274B2Oct 1, 2019
Pocketed spring assembly comprising strings of springs having non-linear separating seams
L&P PROPERTY MAN CO0 citations52
US10399847B2Sep 3, 2019
Apparatus for ventilating fabric used to make pocketed springs
L&P PROPERTY MAN CO0 citations50
L & P PROPERTY MANAGEMENT CO
11 patentsUS7921561B2Apr 12, 2011
Bedding or seating product made with coil springs having unknotted end turns with bumps
L & P PROPERTY MANAGEMENT CO30 citations96
US8978183B1Mar 17, 2015
Pocketed spring assembly
L & P PROPERTY MANAGEMENT CO51 citations94
USD575564SAug 26, 2008
Top portion of a spring core
L & P PROPERTY MANAGEMENT CO9 citations84
USD574168SAug 5, 2008
End portion of a coil spring
L & P PROPERTY MANAGEMENT CO11 citations84
US7805780B2Oct 5, 2010
Bedding foundation having nestable stackable components
L & P PROPERTY MANAGEMENT CO8 citations81
US8769748B2Jul 8, 2014
Spring core having border wire with generally rectangular cross-section
L & P PROPERTY MANAGEMENT CO5 citations69
US5548857AAug 27, 1996
Box spring having snap-on clip for spring securement
L & P PROPERTY MANAGEMENT CO5 citations63
US9044102B2Jun 2, 2015
Spring core having border wire with generally rectangular cross-section
L & P PROPERTY MANAGEMENT CO3 citations61
US7930777B2Apr 26, 2011
Bedding foundation having nestable stackable components
L & P PROPERTY MANAGEMENT CO4 citations59
US7398568B1Jul 15, 2008
Bedding foundation
L & P PROPERTY MANAGEMENT CO6 citations54
US9138801B2Sep 22, 2015
Method of making a spring core for a bedding or seating product
L & P PROPERTY MANAGEMENT CO0 citations52
EIGENMANN GUIDO
3 patentsUS8429772B2Apr 30, 2013
Coil spring having unknotted end turns with bumps
EIGENMANN GUIDO5 citations83
US8429779B2Apr 30, 2013
Bedding or seating product made with coil springs having unknotted end turns with bumps
EIGENMANN GUIDO4 citations72
US8893388B2Nov 25, 2014
Method of making spring core for a bedding or seating product
EIGENMANN GUIDO2 citations61
HAFFNER DAVID S
3 patentsUS8327475B2Dec 11, 2012
Bedding foundation having nestably stackable spring assembly welded to border wire with generally rectangular cross-section
HAFFNER DAVID S6 citations82
US8490232B2Jul 23, 2013
Spring core having border wire with generally rectangular cross-section
HAFFNER DAVID S3 citations60
US8332974B2Dec 18, 2012
Bedding foundation having border wire with generally rectangular cross-section
HAFFNER DAVID S5 citations60
MOSSBECK NIELS S
1 patentBROTTLUND VON W
1 patentShowing the top 50 of 51 patents by PatentIndex Score.