E01C 23/22
By spraying
Official title: by spraying {(E01C23/206 takes precedence)}
E01C23/22 (By spraying) appears on 217 US grants and 160 published applications in this corpus.
Search patents in E01C- Granted patents
- 217
- Published applications
- 160
- Assignees
- 92
- Inventors
- 296
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 6 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 6 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 6 | 0 |
| 1995 | 2 | 0 |
| 1996 | 6 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 9 | 0 |
| 2001 | 4 | 1 |
| 2002 | 2 | 1 |
| 2003 | 3 | 2 |
| 2004 | 0 | 0 |
| 2005 | 1 | 3 |
| 2006 | 2 | 2 |
| 2007 | 5 | 1 |
| 2008 | 2 | 4 |
| 2009 | 1 | 3 |
| 2010 | 4 | 14 |
| 2011 | 2 | 4 |
| 2012 | 2 | 8 |
| 2013 | 9 | 5 |
| 2014 | 4 | 5 |
| 2015 | 2 | 11 |
| 2016 | 7 | 6 |
| 2017 | 8 | 12 |
| 2018 | 10 | 11 |
| 2019 | 12 | 10 |
| 2020 | 12 | 10 |
| 2021 | 14 | 10 |
| 2022 | 6 | 6 |
| 2023 | 6 | 11 |
| 2024 | 7 | 11 |
| 2025 | 6 | 8 |
| 2026 | 7 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Surface marking robots and obstacles16 Jun 2026US 12,654,323 B2Hewlett-Packard Development Company, L. P.
- Liquid discharge apparatus including a discharger on a wheeled platform and conveyor12 May 2026US 12,623,475 B2Ricoh Company, Ltd.
- Printing at locations based on grid maps21 Apr 2026US 12,605,927 B2Hewlett-Packard Development Company, L. P.
- Marking system and method for marking24 Mar 2026US 12,583,096 B2Hilti Aktiengesellschaft
- Intelligent marking paint applicator system and method of use17 Mar 2026US 12,576,416 B2Tanbry Holdings, LLC
- Intelligent marking paint applicator system and method of use19 Feb 2026US 2026/0048406 A1Tanbry Holdings, LLC
- Methods and systems for high-definition map generation27 Nov 2025US 2025/0362148 A1TORC Robotics, Inc.
- Methods and systems for high-definition map generation27 Nov 2025US 2025/0362149 A1TORC Robotics, Inc.
- Autonomous Marking System and Method6 Nov 2025US 2025/0340068 A110Lines OÜ
- System and method of providing construction areas details to an autonomous vehicle11 Sep 2025US 2025/0285538 A1TORC Robotics, Inc.
Most cited
By later US patents
- Spray wand with stand87US 6,390,336 B1Rolatape Corporation · 2002
- Apparatus and method for marking a surface84US 5,486,067 APavement Marking Technologies, Inc. · 1996
- Marking apparatus having operational sensors for underground facility marking operations, and associated methods and systems74US 8,467,969 B2CertusView Technologies, LLC · 2013
- Apparatus and method for marking a surface70US 5,529,433 APavement Marking Technologies, Inc. · 1996
- Cementitious coatings and method68US 4,088,804 A1978