P

Inventor

MICHALEWICH MICHAEL

US113 patents
⚠️ This page may combine multiple inventors who share the name “MICHALEWICH MICHAEL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ACUSHNET CO

48 patents
US9005053B2Apr 14, 2015

Golf ball cores having foam center and thermoset outer layers with hardness gradients

ACUSHNET CO30 citations94
US9248350B2Feb 2, 2016

Multi-layered golf balls having foam center with selective weight distribution

ACUSHNET CO13 citations93
US9180346B2Nov 10, 2015

Golf balls having foam center containing clay particulate

ACUSHNET CO19 citations93
US9126083B2Sep 8, 2015

Golf balls having foam inner core and thermoplastic outer core

ACUSHNET CO24 citations93
US8998750B2Apr 7, 2015

Multi-layered coes for golf balls having foam and thermoset layers

ACUSHNET CO27 citations93
US12005318B1Jun 11, 2024

Golf ball coatings formed from hydroxyurethane compositions

ACUSHNET CO5 citations86
US12005319B1Jun 11, 2024

Golf ball components formed from hydroxyurethane compositions

ACUSHNET CO5 citations86
US11325008B2May 10, 2022

Golf balls having covers made with thermoplastic polyurethane and polydimethylsiloxane blend compositions

ACUSHNET CO4 citations84
US10729938B2Aug 4, 2020

Gold balls having covers made with thermoplastic polyurethane and polydimethylsiloxane blend compositions

ACUSHNET CO6 citations84
US10150008B1Dec 11, 2018

Golf balls incorporating mixtures of a thermoplastic polymer and polymethyl methacrylate-based polymers

ACUSHNET CO6 citations84
US9795835B2Oct 24, 2017

Golf ball cores having foam center and thermoplastic outer layers

ACUSHNET CO8 citations84
US9656127B2May 23, 2017

Golf balls having foam center containing clay particulate

ACUSHNET CO8 citations84
US9468812B2Oct 18, 2016

Golf ball cores having foam center and thermoset outer layers with hardness gradients

ACUSHNET CO8 citations84
US9375612B2Jun 28, 2016

Golf balls having silicone foam center

ACUSHNET CO9 citations84
US9216322B2Dec 22, 2015

Golf ball cores having foam center and thermoset outer layers with hardness gradients

ACUSHNET CO4 citations84
US9192820B2Nov 24, 2015

Golf ball cores having foam center and thermoplastic outer layers

ACUSHNET CO11 citations84
US9050501B2Jun 9, 2015

Multi-layered cores having foam inner core for golf balls

ACUSHNET CO16 citations84
US12102882B1Oct 1, 2024

Golf ball components formed from bio-based polyurehane and/or polyurea compositions

ACUSHNET CO2 citations73
US11673026B2Jun 13, 2023

Golf balls having covers made with thermoplastic polyurethane and polydimethylsiloxane blend compositions

ACUSHNET CO2 citations73
US10918912B2Feb 16, 2021

Methods for treating thermoplastic polyurethane covers for golf balls with epoxy compositions

ACUSHNET CO2 citations73
US10500443B2Dec 10, 2019

Golf balls incorporating thermoplastic blend(s) of ionomer(s), thermoplastic polymer(s), and polymethyl methacrylate-based polymer(s)

ACUSHNET CO3 citations73
US10486029B2Nov 26, 2019

Golf ball displaying improved adhesion between TiO2-pigmented layer incorporating silane-containing adhesion promoter and an adjacent differing layer

ACUSHNET CO4 citations73
US10441854B2Oct 15, 2019

Golf balls having a foam center with regions of different hardness

ACUSHNET CO1 citations73
US10376747B2Aug 13, 2019

Golf balls having a core with surrounding intermediate foam layer

ACUSHNET CO3 citations73
US10300345B2May 28, 2019

Multi-layered golf balls having foam center with selective weight distribution

ACUSHNET CO3 citations73
US10258834B2Apr 16, 2019

Golf balls having foam inner core and themoplastic outer core

ACUSHNET CO1 citations73
US10252115B2Apr 9, 2019

Golf ball incorporating positive hardness gradient thermoset polyurethane outer cover layer

ACUSHNET CO2 citations73
US10188909B2Jan 29, 2019

Golf balls having a foam inner core with thermal barrier

ACUSHNET CO3 citations73
US10124214B1Nov 13, 2018

Golf balls incorporating mixtures of a thermoplastic polymer and polymethyl methacrylate-based polymers

ACUSHNET CO3 citations73
US10112081B2Oct 30, 2018

Golf ball incorporating positive hardness gradient thermoset polyurethane outer cover layer

ACUSHNET CO2 citations73
US10010764B2Jul 3, 2018

Golf balls having multi-layered foam cores with structural inserts

ACUSHNET CO3 citations73
US10010765B2Jul 3, 2018

Golf balls having a center with surrounding foam outer core layer

ACUSHNET CO4 citations73
US9937385B2Apr 10, 2018

Golf balls having a foam center with regions of different hardness

ACUSHNET CO3 citations73
US9901784B2Feb 27, 2018

Multi-layered golf balls having foam center with selective weight distribution

ACUSHNET CO3 citations73
US9713748B2Jul 25, 2017

Golf ball with excellent interlayer adhesion between adjacent differing layers

ACUSHNET CO3 citations73
US9694244B2Jul 4, 2017

Golf ball cores having foam center and polymeric outer layers with hardness gradients

ACUSHNET CO2 citations73
US9220948B2Dec 29, 2015

Golf ball cores having foam center and polymeric outer layers with hardness gradients

ACUSHNET CO5 citations73
US11766591B1Sep 26, 2023

Golf ball core hardness gradient manipulation using hardness agent and water releasing agent

ACUSHNET CO4 citations72
US11844983B1Dec 19, 2023

Golf ball core with tailored hardness gradient

ACUSHNET CO2 citations69
US12515106B2Jan 6, 2026

Multi-layer golf balls with increased interlayer adhesion

ACUSHNET CO0 citations63
US12515107B2Jan 6, 2026

Multi-layer golf balls with in-situ adhesion promoter

ACUSHNET CO0 citations63
US12420147B2Sep 23, 2025

Multi-layer golf balls with improved interlayer adhesion

ACUSHNET CO0 citations63
US12377320B2Aug 5, 2025

Golf ball components formed from hydroxyurethane compositions

ACUSHNET CO0 citations63
US12370412B2Jul 29, 2025

Golf ball coatings formed from hydroxyurethane compositions

ACUSHNET CO0 citations63
US12239886B2Mar 4, 2025

Golf balls having covers made with thermoplastic polyurethane and polydimethylsiloxane blend compositions

ACUSHNET CO0 citations63
US12233315B2Feb 25, 2025

Golf ball components formed from bio-based polyurethane and/or polyurea compositions

ACUSHNET CO0 citations63
US12157036B2Dec 3, 2024

Multi-layer golf balls with increased interlayer adhesion

ACUSHNET CO0 citations63
US12097408B2Sep 24, 2024

Multi-layer golf balls with increased interlayer adhesion

ACUSHNET CO0 citations63

MICHALEWICH MICHAEL

2 patents

Showing the top 50 of 113 patents by PatentIndex Score.