A63B 37/0058
Polyurethane
Official title: {Polyurethane}
A63B37/0058 (Polyurethane) appears on 119 US grants and 146 published applications in this corpus.
Search patents in A63B- Granted patents
- 119
- Published applications
- 146
- Assignees
- 14
- Inventors
- 81
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 3 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 2 | 1 |
| 2009 | 4 | 5 |
| 2010 | 3 | 3 |
| 2011 | 0 | 0 |
| 2012 | 1 | 6 |
| 2013 | 1 | 15 |
| 2014 | 3 | 18 |
| 2015 | 17 | 21 |
| 2016 | 21 | 15 |
| 2017 | 15 | 13 |
| 2018 | 10 | 13 |
| 2019 | 16 | 14 |
| 2020 | 11 | 6 |
| 2021 | 3 | 2 |
| 2022 | 1 | 2 |
| 2023 | 2 | 1 |
| 2024 | 2 | 3 |
| 2025 | 2 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Golf ball utilizing functional polymers25 Nov 2025US 12,478,841 B1Topgolf Callaway Brands Corp.
- High hardness gradient golf ball cores and methods of making same10 Jun 2025US 12,324,965 B2Acushnet Company
- Method for forming polyurethane covers for golf balls using foam compositions20 Aug 2024US 12,064,667 B2Acushnet Company
- Method of golf ball manufacture employing ultrasonic welding, and resulting golf ball and golf ball components and/or layers2 Jul 2024US 12,023,554 B2Masion de Golf
- Method of golf ball manufacture employing ultrasonic welding, and resulting golf ball and golf ball components and/or layers6 Jun 2023US 11,666,803 B2Masion de Golf
- High hardness gradient golf ball cores and methods of making same2 Oct 2025US 2025/0303236 A1Acushnet Company
- Golf ball3 Apr 2025US 2025/0108266 A1Bridgestone Sports Co.Ltd.
- Method for forming polyurethane covers for golf balls using foam compositions12 Dec 2024US 2024/0408455 A1Acushnet Company
- Shape memory polymers used in golf balls22 Aug 2024US 2024/0278078 A1Acushnet Company
- High hardness gradient golf ball cores and methods of making same30 May 2024US 2024/0173595 A1Acushnet Company
Most cited
By later US patents
- Ball and process and composition of matter for production thereof111US 3,979,126 AAcushnet Company · 1976
- Golf ball which includes fast-chemical-reaction-produced component and method of making same69US 6,290,614 B1Spalding Sports Worldwide, Inc. · 2001
- Thermoplastic core having a negative hardness gradient formed from a plasticizer-based gradient-initiating solution27US 7,427,242 B1Acushnet Company · 2008
- Thermoplastic core having a negative hardness gradient formed from a plasticizer-based gradient-initiating solution17US 7,582,025 B2Acushnet Company · 2009
- Golf ball cores having foam center and thermoset outer layers with hardness gradients16US 9,005,053 B2Acushnet Company · 2015