E01C 19/4893
Apparatus designed for railless operation
Official title: {Apparatus designed for railless operation}
E01C19/4893 (Apparatus designed for railless operation) appears on 119 US grants and 80 published applications in this corpus.
Search patents in E01C- Granted patents
- 119
- Published applications
- 80
- Assignees
- 42
- Inventors
- 153
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 0 |
| 2002 | 1 | 5 |
| 2003 | 2 | 3 |
| 2004 | 2 | 2 |
| 2005 | 5 | 2 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 3 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 3 | 3 |
| 2013 | 1 | 0 |
| 2014 | 2 | 3 |
| 2015 | 1 | 4 |
| 2016 | 4 | 2 |
| 2017 | 4 | 6 |
| 2018 | 3 | 5 |
| 2019 | 4 | 3 |
| 2020 | 3 | 6 |
| 2021 | 7 | 6 |
| 2022 | 4 | 4 |
| 2023 | 5 | 6 |
| 2024 | 2 | 6 |
| 2025 | 2 | 10 |
| 2026 | 9 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for making a grated trench channel29 Sep 2026US 12,747,545 B2J K Williams Contracting Pty Ltd
- Adjustable string line sensors for slip form paving14 Apr 2026US 12,601,122 B2Wirtgen GmbH
- Edge slump control31 Mar 2026US 12,590,423 B2Wirtgen GmbH
- Paving machine with smart steering control24 Mar 2026US 12,583,516 B2GOMACO Corporation
- Slipform paver17 Mar 2026US 12,577,741 B2Wirtgen GmbH
- Slipform paver control18 Dec 2025US 2025/0382754 A1GOMACO Corporation
- Slipform paver4 Dec 2025US 2025/0369197 A1Wirtgen GmbH
- Vibrator frequencies for slipform pavers28 Aug 2025US 2025/0270772 A1GOMACO Corporation
- Slipform paver31 Jul 2025US 2025/0243633 A1Wirtgen GmbH
- Pavers, in particular slipform pavers8 May 2025US 2025/0146236 A1Wirtgen GmbH
Most cited
By later US patents
- Convertible construction machine118US 4,029,165 AMiller Formless Co., Inc. · 1977
- Self-propelled construction apparatus76US 4,789,266 APower Curbers, Inc. · 1988
- Method and apparatus for laying roadway materials45US 6,086,287 A2000
- Apparatus and method for forming a continuous strip of paving39US 4,197,032 APower Curbers, Inc. · 1980
- Curb extrusion apparatus with interchangeable molds36US 4,566,823 A1986