Inventor
COWELL MICHAEL J
US34 patents
⚠️ This page may combine multiple inventors who share the name “COWELL MICHAEL J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VIDAL HENRI BREVETS
13 patentsUS6050748AApr 18, 2000
Stabilizing elements for mechanically stabilized earthen structure
VIDAL HENRI BREVETS40 citations96
US5707184AJan 13, 1998
Low elevation wall construction
VIDAL HENRI BREVETS70 citations96
US5622455AApr 22, 1997
Earthen work with wire mesh facing
VIDAL HENRI BREVETS83 citations96
US5507599AApr 16, 1996
Modular block retaining wall construction and components
VIDAL HENRI BREVETS45 citations96
US5487623AJan 30, 1996
Modular block retaining wall construction and components
VIDAL HENRI BREVETS54 citations96
US5474405ADec 12, 1995
Low elevation wall construction
VIDAL HENRI BREVETS88 citations96
US5951209ASep 14, 1999
Earthen work with wire mesh facing
VIDAL HENRI BREVETS33 citations92
US5947643ASep 7, 1999
Earthen work with wire mesh facing
VIDAL HENRI BREVETS35 citations92
US5730559AMar 24, 1998
Earthen work with wire mesh facing
VIDAL HENRI BREVETS22 citations92
US5642968AJul 1, 1997
Modular block retaining wall construction and components
VIDAL HENRI BREVETS31 citations92
US5624211AApr 29, 1997
Modular block retaining wall construction and components
VIDAL HENRI BREVETS34 citations92
US5586841ADec 24, 1996
Dual purpose modular block for construction of retaining walls
VIDAL HENRI BREVETS40 citations92
US5577866ANov 26, 1996
Earthen work with wire mesh facing
VIDAL HENRI BREVETS5 citations62
3M INNOVATIVE PROPERTIES CO
10 patentsUSD795416SAug 22, 2017
Respirator mask
3M INNOVATIVE PROPERTIES CO17 citations92
US9517367B2Dec 13, 2016
Respiratory mask having a clean air inlet chamber
3M INNOVATIVE PROPERTIES CO12 citations84
US9510626B2Dec 6, 2016
Sleeve-fit respirator cartridge
3M INNOVATIVE PROPERTIES CO14 citations84
US9149669B2Oct 6, 2015
Respiratory protection device harness assembly
3M INNOVATIVE PROPERTIES CO9 citations81
US10391338B2Aug 27, 2019
Sleeve-fit respirator cartridge
3M INNOVATIVE PROPERTIES CO5 citations73
US11052268B2Jul 6, 2021
Respirator negative pressure fit check devices and methods
3M INNOVATIVE PROPERTIES CO5 citations72
US10765176B2Sep 8, 2020
Personal protective device strap connecting buckle assembly
3M INNOVATIVE PROPERTIES CO3 citations72
US9950202B2Apr 24, 2018
Respirator negative pressure fit check devices and methods
3M INNOVATIVE PROPERTIES CO6 citations72
US11219787B2Jan 11, 2022
Respirator fit check sealing devices and methods
3M INNOVATIVE PROPERTIES CO0 citations62
USD747795SJan 19, 2016
Respirator mask body
3M INNOVATIVE PROPERTIES CO1 citations51
REINFORCED EARTH CO
3 patentsUS5807030ASep 15, 1998
Stabilizing elements for mechanically stabilized earthen structure
REINFORCED EARTH CO62 citations96
US5494379AFeb 27, 1996
Earthen work with wire mesh facing
REINFORCED EARTH CO45 citations92
US5540027AJul 30, 1996
Spring biased apparatus for maintaining precast panels in a stable removable position in a vertical slot
REINFORCED EARTH CO17 citations68
3M INNOVATIVE PROPERTIES COMPANY
3 patentsUS11992078B2May 28, 2024
Headwear suspension attachment element
3M INNOVATIVE PROPERTIES COMPANY2 citations67
US12128259B2Oct 29, 2024
Respirator negative pressure fit check devices and methods
3M INNOVATIVE PROPERTIES COMPANY1 citations62
US11865375B2Jan 9, 2024
Respirator fit check sealing devices and methods
3M INNOVATIVE PROPERTIES COMPANY0 citations62