E01C 19/174
Apparatus with pump-discharge
Official title: {Apparatus with pump-discharge}
E01C19/174 (Apparatus with pump-discharge) appears on 51 US grants and 26 published applications in this corpus.
Search patents in E01C- Granted patents
- 51
- Published applications
- 26
- Assignees
- 25
- Inventors
- 71
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 5 |
| 2017 | 3 | 1 |
| 2018 | 3 | 0 |
| 2019 | 6 | 4 |
| 2020 | 0 | 1 |
| 2021 | 2 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 3 |
| 2024 | 2 | 1 |
| 2025 | 1 | 2 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Variable control of liquid dispersal system for compactor machine8 Sep 2026US 12,729,491 B2Caterpillar Paving Products Inc.
- Asphalt distributor with multispeed motor12 May 2026US 12,624,506 B2E. D. Etnyre & Co.
- Machine, system and method for road construction5 May 2026US 12,618,203 B2Idaho Asphalt Supply, Inc.
- Machine, system and method for road construction19 Aug 2025US 12,392,095 B2Idaho Asphalt Supply, Inc.
- Fluid spray system timing control13 Aug 2024US 12,059,695 B2Caterpillar Paving Products Inc.
- Machine, system and method for road construction13 Aug 2026US 2026/0234877 A1Idaho Asphalt Supply, Inc.
- Variable control of liquid dispersal system for compactor machine16 Apr 2026US 2026/0103854 A1Caterpillar Paving Products Inc.
- Machine, system and method for road construction6 Nov 2025US 2025/0341065 A1Idaho Asphalt Supply, Inc.
- Machine, system and method for road construction6 Nov 2025US 2025/0341066 A1Idaho Asphalt Supply, Inc.
- Asphalt distributor with multispeed motor29 Feb 2024US 2024/0068176 A1E. D. Etnyre & Co.
Most cited
By later US patents
- System for applying liquid asphalt to a roadbed72US 5,957,621 A1999
- Asphalt coating method57US 4,692,350 AMobil Oil Corporation · 1987
- Vehicle-mounted spray apparatus56US 4,817,870 AE. D. Etnyre & Co. · 1989
- Pumping system for mobile protective coating spray apparatus and other applications50US 4,684,062 ANeal Manufacturing Company, Inc. · 1987
- Apparatus and method for producing and uniformly applying foamed bituminous binders to road surfaces48US 4,592,507 A1986