E01C 19/12
Machines, tools or auxiliary devices for preparing or distributing paving materials, for
Official title: for distributing granular or liquid materials ({E01C19/002, E01C19/45, E01C19/46, E01C19/48, E01C23/03, E01C23/065} , E01C23/07 take precedence; for filling joints or grooves E01C23/02, E01C23/09)
E01C19/12 (Machines, tools or auxiliary devices for preparing or distributing paving materials, for) appears on 825 US grants and 646 published applications in this corpus.
Search patents in E01C- Granted patents
- 825
- Published applications
- 646
- Assignees
- 319
- Inventors
- 1,212
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 7 | 0 |
| 1978 | 7 | 0 |
| 1979 | 9 | 0 |
| 1980 | 8 | 0 |
| 1981 | 13 | 0 |
| 1982 | 10 | 0 |
| 1983 | 11 | 0 |
| 1984 | 5 | 0 |
| 1985 | 14 | 0 |
| 1986 | 12 | 0 |
| 1987 | 14 | 0 |
| 1988 | 13 | 0 |
| 1989 | 13 | 0 |
| 1990 | 12 | 0 |
| 1991 | 11 | 0 |
| 1992 | 11 | 0 |
| 1993 | 10 | 0 |
| 1994 | 21 | 0 |
| 1995 | 6 | 0 |
| 1996 | 8 | 0 |
| 1997 | 9 | 0 |
| 1998 | 13 | 0 |
| 1999 | 18 | 0 |
| 2000 | 17 | 0 |
| 2001 | 12 | 4 |
| 2002 | 14 | 13 |
| 2003 | 12 | 18 |
| 2004 | 15 | 15 |
| 2005 | 11 | 21 |
| 2006 | 10 | 22 |
| 2007 | 11 | 10 |
| 2008 | 11 | 16 |
| 2009 | 9 | 15 |
| 2010 | 17 | 18 |
| 2011 | 15 | 28 |
| 2012 | 7 | 18 |
| 2013 | 21 | 20 |
| 2014 | 22 | 22 |
| 2015 | 25 | 36 |
| 2016 | 30 | 36 |
| 2017 | 31 | 44 |
| 2018 | 34 | 40 |
| 2019 | 49 | 51 |
| 2020 | 37 | 54 |
| 2021 | 32 | 31 |
| 2022 | 33 | 28 |
| 2023 | 28 | 31 |
| 2024 | 21 | 18 |
| 2025 | 24 | 23 |
| 2026 | 14 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E01C 19/20Apparatus for distributing397
- E01C 19/16For applying or spreading liquid materials206
- E01C 19/18Devices for distributing road-metals mixed with binders162
- E01C 19/15For laying-down uncoated stone or similar materials, or for striking-off or spreading94
- E01C 19/21For simultaneously but separately applying liquid material and granular or pulverulent material62
Recent patents
- Variable control of liquid dispersal system for compactor machine8 Sep 2026US 12,729,491 B2Caterpillar Paving Products Inc.
- Auger and conveyor speed control28 Jul 2026US 12,692,671 B2Caterpillar Inc.
- Hybrid running track article and method for preparing the same23 Jun 2026US 12,662,609 B2Dow Global Technologies LLC
- Rolling leverer for sand bed for stone pavers23 Jun 2026US 12,662,780 B2
- Hand tool2 Jun 2026US 12,644,237 B2Easy Slabber Holdings 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
- Decorative blocks having substantialy flat side secured to a substrate with flexible glue for easy installation of decorative curbs3 Sep 2026US 2026/0258612 A1Eco Finish, LLC
- Screed Plate for Paving Machine20 Aug 2026US 2026/0243034 A1Caterpillar Paving Products Inc.
- Machine, system and method for road construction13 Aug 2026US 2026/0234877 A1Idaho Asphalt Supply, Inc.
- Screed plate for paving machine23 Jul 2026US 2026/0210064 A1Caterpillar Paving Products Inc.
Most cited
By later US patents
- Apparatus and methods for efficient and precise placement of discrete quantities of materials adjacent to the apparatus111US 5,470,175 ASpudnik Equipment Company LLC · 1995
- Control system for a mobile material distribution device109US 5,911,362 ADickey-john Corporation · 1999
- Mount and feeder arrangement for a precision placement spreader97US 6,220,532 B1The Louis Berkman Company · 2001
- Material distributing apparatus95US 5,286,158 A1994
- Spreader assembly89US 6,089,478 ATrynex, Inc. · 2000