Inventor
COHEN WILLIAM
US26 patents
⚠️ This page may combine multiple inventors who share the name “COHEN WILLIAM”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EDGE SYSTEMS LLC
7 patentsUS11446477B2Sep 20, 2022
Devices and methods for treating skin
EDGE SYSTEMS LLC30 citations97
US10357641B2Jul 23, 2019
Tips for skin treatment device
EDGE SYSTEMS LLC31 citations97
US10357642B2Jul 23, 2019
Removable tips for use with skin treatment systems
EDGE SYSTEMS LLC31 citations97
US9814868B2Nov 14, 2017
Tip with embedded materials for skin treatment
EDGE SYSTEMS LLC40 citations97
US9662482B2May 30, 2017
Methods and systems for extraction of materials from skin
EDGE SYSTEMS LLC41 citations97
US9550052B2Jan 24, 2017
Console system for the treatment of skin
EDGE SYSTEMS LLC50 citations97
US11241357B2Feb 8, 2022
Devices, systems and methods for promoting hair growth
EDGE SYSTEMS LLC27 citations94
HYDRAFACIAL LLC
5 patentsUS11865287B2Jan 9, 2024
Devices and methods for treating skin
HYDRAFACIAL LLC14 citations94
US11612726B2Mar 28, 2023
Devices and methods for treating skin
HYDRAFACIAL LLC18 citations94
US11547840B2Jan 10, 2023
Devices and methods for treating skin
HYDRAFACIAL LLC20 citations94
US12053607B2Aug 6, 2024
Devices and methods for treating skin
HYDRAFACIAL LLC6 citations85
US12295618B2May 13, 2025
Skin treatment tool applicator tip
HYDRAFACIAL LLC3 citations75
EDGE SYSTEMS CORP
4 patentsUS8048089B2Nov 1, 2011
Apparatus and methods for treating the skin
EDGE SYSTEMS CORP89 citations98
US6673082B2Jan 6, 2004
Microdermabrasion handpiece with supply and return lumens
EDGE SYSTEMS CORP77 citations97
US6942649B2Sep 13, 2005
Microdermabrasion fluid appplication system and method
EDGE SYSTEMS CORP99 citations96
US6592595B1Jul 15, 2003
Microdermabrasion and suction massage apparatus and method
EDGE SYSTEMS CORP72 citations96