Inventor
GERDES RONALD W
US19 patents
⚠️ This page may combine multiple inventors who share the name “GERDES RONALD W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
3M INNOVATIVE PROPERTIES CO
13 patentsUS7820249B2Oct 26, 2010
Ultrasonic energy system and method including a ceramic horn
3M INNOVATIVE PROPERTIES CO14 citations92
US7744729B2Jun 29, 2010
Ultrasonic energy system and method including a ceramic horn
3M INNOVATIVE PROPERTIES CO13 citations92
US7731823B2Jun 8, 2010
Ultrasonic energy system and method including a ceramic horn
3M INNOVATIVE PROPERTIES CO13 citations92
US7297238B2Nov 20, 2007
Ultrasonic energy system and method including a ceramic horn
3M INNOVATIVE PROPERTIES CO32 citations92
US7243894B2Jul 17, 2007
Mount for vibratory elements
3M INNOVATIVE PROPERTIES CO17 citations91
US6126360AOct 3, 2000
Raised retroreflective pavement marker
3M INNOVATIVE PROPERTIES CO38 citations91
US5974757ANov 2, 1999
Privacy enclosure
3M INNOVATIVE PROPERTIES CO19 citations90
US10352210B2Jul 16, 2019
Acoustic device
3M INNOVATIVE PROPERTIES CO7 citations83
US7980536B2Jul 19, 2011
Mount for vibratory elements
3M INNOVATIVE PROPERTIES CO14 citations83
US11402123B2Aug 2, 2022
Microperforated conduit
3M INNOVATIVE PROPERTIES CO2 citations69
US11199235B2Dec 14, 2021
Multilayer damping material
3M INNOVATIVE PROPERTIES CO5 citations66
US7718022B2May 18, 2010
Resonant nodal mount for linear ultrasonic horns
3M INNOVATIVE PROPERTIES CO4 citations62
US10669211B2Jun 2, 2020
Acoustically active articles
3M INNOVATIVE PROPERTIES CO0 citations50