B02C 4/305
Wear resistant rollers
Official title: {Wear resistant rollers}
B02C4/305 (Wear resistant rollers) appears on 94 US grants and 118 published applications in this corpus.
Search patents in B02C- Granted patents
- 94
- Published applications
- 118
- Assignees
- 63
- Inventors
- 213
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 3 |
| 2008 | 1 | 2 |
| 2009 | 3 | 6 |
| 2010 | 2 | 3 |
| 2011 | 3 | 6 |
| 2012 | 5 | 11 |
| 2013 | 7 | 11 |
| 2014 | 4 | 9 |
| 2015 | 3 | 8 |
| 2016 | 9 | 12 |
| 2017 | 4 | 9 |
| 2018 | 3 | 4 |
| 2019 | 3 | 6 |
| 2020 | 6 | 3 |
| 2021 | 3 | 4 |
| 2022 | 0 | 7 |
| 2023 | 3 | 1 |
| 2024 | 3 | 3 |
| 2025 | 3 | 3 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Roller crusher and a method for operating the same30 Dec 2025US 12,508,595 B2Metso USA Inc.
- Spur wheel scraper30 Dec 2025US 12,508,597 B2Metso USA Inc.
- Roller mill having rim elements and method for setting an end-face gap of the roller mill18 Mar 2025US 12,251,708 B2FLSmidth A/S
- Wear-resistant element for a comminuting apparatus24 Dec 2024US 12,172,172 B2FLSmidth A/S
- Crop processor and a manufacturing process for a crop processor27 Aug 2024US 12,070,755 B2CNH Industrial America LLC
- Corner block segment for a roll of a comminution device18 Jun 2026US 2026/0166556 A1FLSmidth A/S
- Shredding device14 May 2026US 2026/0131333 A1Komptech GmbH
- Stud Installation7 Aug 2025US 2025/0249461 A1Weir Minerals Netherlands B.V.
- Combined roller sleeve, method for preparing combined roller sleeve, and press roller26 Jun 2025US 2025/0205711 A1China Academy of Machinery Zhengzhou Research Institute of Mechanical Engineering Co., Ltd.
- Method and system for beneficiation20 Feb 2025US 2025/0058327 A1Eestech Europe Holdings BV
Most cited
By later US patents
- Wear-resistant surface armoring for the rollers of roller machines, particularly high-pressure roller presses52US 5,203,513 AKloeckner-Humboldt-Deutz AG · 1993
- Roll press for crushing abrasive materials40US 6,086,003 AMaschinenfabrik Koppern GmbH & Co. KG · 2000
- Wear-resistant grinding drum for employment in roller machines, particularly in high-pressure roll presses38US 5,269,477 AKloeckner-Humboldt-Deutz AG · 1993
- Method of making a crushing roll38US 5,755,033 AMaschinenfabrik Koppern GmbH & Co. KG · 1998
- Grinding roller for the pressure comminution of granular material32US 7,497,396 B2KHD Humboldt Wedag GmbH · 2009