B60B 2900/50
Improvement of
B60B2900/50 (Improvement of) appears on 875 US grants and 1,126 published applications in this corpus.
Search patents in B60B- Granted patents
- 875
- Published applications
- 1,126
- Assignees
- 500
- Inventors
- 2,046
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 6 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 2 |
| 2003 | 2 | 2 |
| 2004 | 1 | 1 |
| 2005 | 2 | 7 |
| 2006 | 4 | 8 |
| 2007 | 5 | 2 |
| 2008 | 1 | 8 |
| 2009 | 2 | 7 |
| 2010 | 4 | 3 |
| 2011 | 1 | 8 |
| 2012 | 2 | 34 |
| 2013 | 17 | 59 |
| 2014 | 31 | 48 |
| 2015 | 37 | 79 |
| 2016 | 62 | 88 |
| 2017 | 75 | 97 |
| 2018 | 75 | 87 |
| 2019 | 64 | 102 |
| 2020 | 87 | 103 |
| 2021 | 66 | 93 |
| 2022 | 65 | 69 |
| 2023 | 69 | 63 |
| 2024 | 71 | 48 |
| 2025 | 32 | 66 |
| 2026 | 32 | 42 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B60B 2900/511SealingIndexing code183
- B60B 2900/541ServicingIndexing code159
- B60B 2900/572Visual appearanceIndexing code141
- B60B 2900/551Handling of obstacles or difficult terrainsIndexing code139
- B60B 2900/513CoolingIndexing code109
- B60B 2900/531User-friendlinessIndexing code109
- B60B 2900/561LubricationIndexing code51
- B60B 2900/523Tyre fixation on rimIndexing code45
All 10 subgroupsShow fewer
Recent patents
- Disc brake device for railway vehicle6 Oct 2026US 12,753,814 B2Nippon Steel Corporation
- Disc brake device for railway vehicle15 Sep 2026US 12,736,099 B2Nippon Steel Corporation
- Seal guard for compactor8 Sep 2026US 12,728,670 B2Caterpillar Inc.
- Triangle chocky bar for use on compactor wheel wire guards25 Aug 2026US 12,715,239 B2Caterpillar Inc.
- Wheel and leg transformable robot with suspension and autonomous navigation25 Aug 2026US 12,715,240 B2The Texas A&M University System
- Tent support tube caster device8 Oct 2026US 2026/0307431 A1Heshan Fengzhida Outdoor Products Co., Ltd
- Deflector for rims, for example car rims1 Oct 2026US 2026/0296099 A1Softcar SA
- Bicycle component17 Sep 2026US 2026/0274002 A1Dt Swiss Inc.
- Semi-trailer hub cap cover with zerk fitting10 Sep 2026US 2026/0264447 A1
- Caster wheel suspension apparatus of reach type forklift20 Aug 2026US 2026/0241743 A1Doosan Bobcat Korea Co., Ltd.
Most cited
By later US patents
- Self-propelled vehicle83US 5,213,176 AHitachi, Ltd. · 1993
- Self-cooling trolley49US 8,601,951 B22013
- Apparatus for covering disc wheel for motor vehicle38US 4,593,953 AKabushiki Kaisha Tokai Rika Denki Seisakusho · 1986
- Take apart safety vehicle wheel assembly36US 6,315,366 B1Hayes Lemmerz International, Inc. · 2001
- Aerodynamic wheel covers and mounting assemblies36US 9,327,550 B2Flowbelow Aero, Inc. · 2016