Inventor
THOMAS RAVI
US21 patents
⚠️ This page may combine multiple inventors who share the name “THOMAS RAVI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
3M INNOVATIVE PROPERTIES CO
18 patentsUSD632677SFeb 15, 2011
Ear bud body shape
3M INNOVATIVE PROPERTIES CO79 citations97
USD632678SFeb 15, 2011
Ear bud shaft and taper
3M INNOVATIVE PROPERTIES CO23 citations92
US9549855B2Jan 24, 2017
Earplug with tip cavity and methods of manufacturing the same
3M INNOVATIVE PROPERTIES CO10 citations83
USD759802SJun 21, 2016
Earplug tip
3M INNOVATIVE PROPERTIES CO8 citations83
USD757925SMay 31, 2016
Earplug tip
3M INNOVATIVE PROPERTIES CO8 citations83
USD721678SJan 27, 2015
Ear tip
3M INNOVATIVE PROPERTIES CO13 citations83
USD717273SNov 11, 2014
Ear tip
3M INNOVATIVE PROPERTIES CO6 citations83
USD889754SJul 7, 2020
Hearing protector
3M INNOVATIVE PROPERTIES CO7 citations81
USD798435SSep 26, 2017
Earplug
3M INNOVATIVE PROPERTIES CO4 citations72
USD798434SSep 26, 2017
Earplug
3M INNOVATIVE PROPERTIES CO2 citations72
USD755760SMay 10, 2016
Push to talk handheld device with body scallops around buttons
3M INNOVATIVE PROPERTIES CO4 citations72
USD717937SNov 18, 2014
Earplug
3M INNOVATIVE PROPERTIES CO5 citations72
US11304851B2Apr 19, 2022
Push-to-fit earplug with tip cavity
3M INNOVATIVE PROPERTIES CO0 citations57
US10398602B2Sep 3, 2019
Earplug with tip cavity and methods of manufacturing the same
3M INNOVATIVE PROPERTIES CO0 citations51
USD816067SApr 24, 2018
Push to talk handheld device having a stepped body for buttons
3M INNOVATIVE PROPERTIES CO1 citations51
USD806688SJan 2, 2018
Push to talk handheld device having a curvature near the body and cable connection
3M INNOVATIVE PROPERTIES CO0 citations51
USD895901SSep 8, 2020
Hearing protector
3M INNOVATIVE PROPERTIES CO0 citations49
US10660797B2May 26, 2020
Push-to-fit earplug having an array of cavities
3M INNOVATIVE PROPERTIES CO0 citations41