B41F 31/28
Spray apparatus
B41F31/28 (Spray apparatus) appears on 28 US grants and 32 published applications in this corpus.
Search patents in B41F- Granted patents
- 28
- Published applications
- 32
- Assignees
- 31
- Inventors
- 67
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 2 |
| 2015 | 2 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 2 | 5 |
| 2019 | 4 | 2 |
| 2020 | 1 | 2 |
| 2021 | 0 | 2 |
| 2022 | 2 | 8 |
| 2023 | 8 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Solder paste dispensing feedback system and circuit board printer using the same10 Feb 2026US 12,544,847 B2Illinois Tool Works Inc.
- Printing apparatus and printing method25 Feb 2025US 12,233,640 B2Shuhou Co., Ltd.
- Method and device for producing foamed body28 Nov 2023US 11,827,004 B2Ricoh Company, Ltd.
- Heat image forming device and method21 Nov 2023US 11,820,121 B2Xerox Corporation
- Fountain solution imaging using dry toner electrophotography24 Oct 2023US 11,794,465 B2Xerox Corporation
- Active inking system for self-service banking equipment3 Jul 2025US 2025/0218255 A1Tecnologia Bancaria S.A.
- Solder paste dispensing feedback system and circuit board printer using the same22 May 2025US 2025/0162052 A1Illinois Tool Works Inc.
- Printing apparatus and printing method18 Jan 2024US 2024/0017540 A1Shuhou Co., Ltd.
- Printing a fibrous material6 Oct 2022US 2022/0314641 A1Dover Europe SàRl
- Matrix-addressed heat image forming device21 Jul 2022US 2022/0227115 A1Palo Alto Research Center Incorporated
Most cited
By later US patents
- Apparatus for imprinting an elongated member9US 4,077,317 ASiemens Aktiengesellschaft · 1978
- Method and device for transferring ink in a printing unit of an offset printing press9US 6,279,474 B1Heidelberger Druckmaschinen AG · 2001
- Apparatus for supplying flowable printing ink to a printer for cigarette paper webs6US 6,279,475 B1Decoufle S.A.R.L. · 2001
- Inking unit5US 6,427,591 B1Heidelberger Druckmaschinen AG · 2002
- Printing machine having reciprocating carriage carrying both cleaning and ink delivery devices4US 6,401,618 B1AWI Licensing LLC · 2002