E01C 19/02
Machines, tools or auxiliary devices for preparing or distributing paving materials, for
Official title: for preparing the materials {(E01C19/002, E01C19/45, E01C19/46, E01C21/00, E01C23/065 take precedence; producing hydraulic cement concrete in general B28C5/00 - B28C9/00)}
E01C19/02 (Machines, tools or auxiliary devices for preparing or distributing paving materials, for) appears on 706 US grants and 409 published applications in this corpus.
Search patents in E01C- Granted patents
- 706
- Published applications
- 409
- Assignees
- 307
- Inventors
- 874
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 4 | 0 |
| 1978 | 18 | 0 |
| 1979 | 13 | 0 |
| 1980 | 18 | 0 |
| 1981 | 21 | 0 |
| 1982 | 16 | 0 |
| 1983 | 15 | 0 |
| 1984 | 12 | 0 |
| 1985 | 10 | 0 |
| 1986 | 8 | 0 |
| 1987 | 9 | 0 |
| 1988 | 5 | 0 |
| 1989 | 12 | 0 |
| 1990 | 22 | 0 |
| 1991 | 13 | 0 |
| 1992 | 9 | 0 |
| 1993 | 17 | 0 |
| 1994 | 22 | 0 |
| 1995 | 19 | 0 |
| 1996 | 16 | 0 |
| 1997 | 10 | 0 |
| 1998 | 14 | 0 |
| 1999 | 22 | 0 |
| 2000 | 13 | 0 |
| 2001 | 13 | 0 |
| 2002 | 7 | 7 |
| 2003 | 9 | 11 |
| 2004 | 11 | 7 |
| 2005 | 4 | 7 |
| 2006 | 5 | 9 |
| 2007 | 4 | 8 |
| 2008 | 4 | 9 |
| 2009 | 6 | 8 |
| 2010 | 9 | 10 |
| 2011 | 11 | 15 |
| 2012 | 8 | 21 |
| 2013 | 13 | 15 |
| 2014 | 17 | 28 |
| 2015 | 15 | 16 |
| 2016 | 19 | 29 |
| 2017 | 25 | 30 |
| 2018 | 30 | 21 |
| 2019 | 33 | 28 |
| 2020 | 19 | 18 |
| 2021 | 16 | 22 |
| 2022 | 19 | 19 |
| 2023 | 22 | 28 |
| 2024 | 15 | 22 |
| 2025 | 18 | 14 |
| 2026 | 5 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E01C 19/10Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic546
- E01C 19/05Crushing, pulverising or disintegrating apparatus127
- E01C 19/08Apparatus for transporting and heating or melting asphalt, bitumen, tar, or the119
- E01C 19/025For preparing hydraulic-cement-bound mixtures of which at least one ingredient has previously11
Recent patents
- Integrated dispersion and quantification system for asphalt modification29 Sep 2026US 12,746,518 B1Prince Mohammad Bin Fahd University
- Asphalt production facility and method for making asphalt in such an asphalt production facility15 Sep 2026US 12,735,847 B2Argumat
- Auger and conveyor speed control28 Jul 2026US 12,692,671 B2Caterpillar Inc.
- Control of a work machine using ground surface work records14 Apr 2026US 12,601,121 B2Caterpillar Paving Products Inc.
- Fatigue-resistant flexible road structure3 Mar 2026US 12,565,739 B2Nano and Advanced Materials Institute Limited
- Road construction machine for spraying onto bituminous vapors as well as method for a material transfer process1 Oct 2026US 2026/0297862 A1Joseph Vogele AG
- Burner device for an asphalt production plant, plant comprising a burner device of this type, and method for supplying heat to a rotary kiln of a burner device10 Sep 2026US 2026/0266543 A1Benninghoven Zweigniederlassung Der Wirtgen Mineral Technologies GmbH
- Methods & compositions to increase performance of asphalt cement concrete comprising recycled asphalt pavement2 Jul 2026US 2026/0184636 A1Surface Tech LLC
- Mixtures and methods of producing paving products using same7 May 2026US 2026/0125560 A1
- Industrial mixing and storage container30 Apr 2026US 2026/0115966 A1Lake Asphalt of Trinidad and Tobago (1978) Ltd.
Most cited
By later US patents
- Apparatus and methods for discharging particulate material from storage silos116US 7,513,280 B2Gencor Industries, Inc. · 2009
- Control system for aggregate delivery system113US 4,222,498 AAstec Industries, Inc. · 1980
- Environmental porous pavement construction, and method for manufacturing pavement construction67US 6,206,607 B1John, J. Medico, Jr. Christine Meoli Medico Family Trust · 2001
- Method and apparatus for recycling roofing shingles as an additive to asphalt paving composition66US 4,706,893 AAstec Industries, Inc. · 1987
- Asphaltic pavement treating apparatus and method63US 4,226,552 A1980