A63B 39/02
Arrangements for maintaining the pressure
A63B39/02 (Arrangements for maintaining the pressure) appears on 62 US grants and 29 published applications in this corpus.
Search patents in A63B- Granted patents
- 62
- Published applications
- 29
- Assignees
- 16
- Inventors
- 95
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 6 | 0 |
| 1978 | 7 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 3 |
| 2013 | 2 | 2 |
| 2014 | 3 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 3 |
| 2018 | 1 | 1 |
| 2019 | 2 | 2 |
| 2020 | 0 | 3 |
| 2021 | 3 | 2 |
| 2022 | 0 | 2 |
| 2023 | 1 | 2 |
| 2024 | 2 | 1 |
| 2025 | 0 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Device for storing a game ball under pressure7 Apr 2026US 12,594,466 B2Bounce Sports International
- Tennis ball pressurizer method and apparatus17 Sep 2024US 12,090,370 B2
- Tennis ball9 Apr 2024US 11,951,360 B2Wilson Sporting Goods Co.
- Rubber composition for hollow ball and hollow ball4 Apr 2023US 11,618,813 B2Sumitomo Rubber Industries, Ltd.
- Rubber composition for tennis ball3 Aug 2021US 11,078,348 B2Sumitomo Rubber Industries, Ltd.
- Cover of ball tube8 Oct 2026US 2026/0306913 A1Ballid Oy
- Ball cart system27 Nov 2025US 2025/0360955 A1
- Device for storing a game ball under pressure24 Jul 2025US 2025/0235752 A1Bounce Sports International
- Basketball22 Aug 2024US 2024/0278084 A1Wilson Sporting Goods Co.
- Tennis ball pressurizer method and apparatus14 Sep 2023US 2023/0285809 A1
Most cited
By later US patents
- Method of making tennis ball with a single core and cover bonding cure73US 4,853,056 A1989
- Inflation needle lubricating plug insert-type valve assembly57US 4,568,081 AWilson Sporting Goods Co. · 1986
- Pressurized tennis ball container32US 4,019,629 A1977
- Self-limiting pump32US 4,428,478 A1984
- Apparatus for repressuring tennis and similar play balls30US 4,124,117 A1978