B05B 15/531
Using backflow
Official title: using backflow
B05B15/531 (Using backflow) appears on 137 US grants and 113 published applications in this corpus.
Search patents in B05B- Granted patents
- 137
- Published applications
- 113
- Assignees
- 74
- Inventors
- 235
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 3 |
| 2002 | 3 | 1 |
| 2003 | 4 | 1 |
| 2004 | 2 | 2 |
| 2005 | 3 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 2 | 3 |
| 2009 | 0 | 0 |
| 2010 | 1 | 3 |
| 2011 | 2 | 1 |
| 2012 | 2 | 5 |
| 2013 | 0 | 6 |
| 2014 | 2 | 5 |
| 2015 | 7 | 5 |
| 2016 | 7 | 4 |
| 2017 | 4 | 3 |
| 2018 | 0 | 1 |
| 2019 | 1 | 9 |
| 2020 | 2 | 9 |
| 2021 | 8 | 7 |
| 2022 | 9 | 10 |
| 2023 | 9 | 10 |
| 2024 | 7 | 10 |
| 2025 | 8 | 7 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Automated wall finishing system and method25 Aug 2026US 12,716,247 B2JLG Industries, Inc.
- Unmanned aerial vehicle for painting structures3 Mar 2026US 12,564,852 B2Graco Minnesota Inc.
- Fluid applicator13 Jan 2026US 12,521,742 B2Wagner Spray Tech Corporation
- Liquid injection device26 Aug 2025US 12,397,311 B2Scientech Corporation
- Spray gun19 Aug 2025US 12,390,825 B2Ningbo Xinchen Intelligent Appliance Co., Ltd.
- Fluid spray tip assembly16 Jul 2026US 2026/0199923 A1Graco Minnesota Inc.
- Unmanned aerial vehicle for painting structures2 Jul 2026US 2026/0183785 A1Graco Minnesota Inc.
- Fluid applicator7 May 2026US 2026/0124629 A1Wagner Spray Tech Corporation
- Water flow shaper5 Mar 2026US 2026/0061437 A1Xiamen Water Nymph Sanitary Technology Co., Ltd.
- Alignment tool for end effector attached to robotic arm5 Mar 2026US 2026/0061450 A1Canvas Construction, Inc.
Most cited
By later US patents
- Rotatable spray nozzle with safety guard66US 4,165,836 AGraco Inc. · 1979
- Airless reversible spray tip66US 6,390,386 B2Durotech Co. · 2002
- Rotatable spray nozzle65US 3,955,763 AGraco Inc. · 1976
- Reversible airless spray tip assembly60US 6,702,198 B2Graco Minnesota Inc. · 2004
- Airless reversible spray tip59US 6,264,115 B1Durotech Co. · 2001