E01C 19/238
Wetting, cleaning or heating rolling elements
Official title: {Wetting, cleaning or heating rolling elements, e.g. oiling, wiping, scraping}
E01C19/238 (Wetting, cleaning or heating rolling elements) appears on 48 US grants and 59 published applications in this corpus.
Search patents in E01C- Granted patents
- 48
- Published applications
- 59
- Assignees
- 22
- Inventors
- 105
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 3 |
| 2006 | 3 | 2 |
| 2007 | 1 | 0 |
| 2008 | 2 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 2 | 0 |
| 2013 | 1 | 4 |
| 2014 | 4 | 2 |
| 2015 | 2 | 4 |
| 2016 | 6 | 6 |
| 2017 | 2 | 6 |
| 2018 | 2 | 2 |
| 2019 | 1 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 4 |
| 2022 | 3 | 5 |
| 2023 | 1 | 5 |
| 2024 | 2 | 1 |
| 2025 | 2 | 3 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Thermoelectric power generation on a paving machine15 Jul 2025US 12,359,381 B2Caterpillar Paving Products Inc.
- Soil processing roller17 Jun 2025US 12,331,475 B2Hamm AG
- Fluid spray system timing control13 Aug 2024US 12,059,695 B2Caterpillar Paving Products Inc.
- Stress concentrator for an angled scraper2 Jul 2024US 12,024,829 B2Caterpillar Paving Products Inc.
- Scraper assembly for construction machine4 Jul 2023US 11,692,316 B2Caterpillar Paving Products Inc.
- Self-propelled ground compactor23 Jul 2026US 2026/0210062 A1Hamm AG
- Method for compacting asphalt material21 May 2026US 2026/0139445 A1Hamm AG
- Variable control of liquid dispersal system for compactor machine16 Apr 2026US 2026/0103854 A1Caterpillar Paving Products Inc.
- Ground compaction machine and method for operating a ground compaction machine5 Mar 2026US 2026/0063369 A1BOMAG GmbH
- Compaction Roller with Drum Scraper25 Dec 2025US 2025/0389090 A1Wacker Neuson America Corporation
Most cited
By later US patents
- Controller for a compacting vehicle wetting system37US 6,827,524 B2Ingersoll-Rand Company · 2004
- Device for cleaning and lubricating the exterior surface of asphalt compacting drums22US 5,222,828 AIngersoll-Rand Company · 1993
- Concrete stamping apparatus20US 7,080,955 B2Rock N Roller, LLC · 2006
- Road roller vehicle with water applicator13US 4,009,967 ALayton Manufacturing Co., Inc. · 1977
- Device at road roller13US 4,040,762 A1977