D21H 23/50
Spraying or projecting
Official title: Spraying or projecting (D21H23/44, D21H23/66 take precedence)
D21H23/50 (Spraying or projecting) appears on 224 US grants and 242 published applications in this corpus.
Search patents in D21H- Granted patents
- 224
- Published applications
- 242
- Assignees
- 162
- Inventors
- 627
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 8 | 0 |
| 1999 | 6 | 0 |
| 2000 | 8 | 0 |
| 2001 | 7 | 5 |
| 2002 | 11 | 2 |
| 2003 | 5 | 12 |
| 2004 | 6 | 17 |
| 2005 | 8 | 20 |
| 2006 | 4 | 14 |
| 2007 | 9 | 11 |
| 2008 | 7 | 9 |
| 2009 | 5 | 4 |
| 2010 | 2 | 8 |
| 2011 | 7 | 7 |
| 2012 | 6 | 7 |
| 2013 | 6 | 7 |
| 2014 | 4 | 7 |
| 2015 | 2 | 4 |
| 2016 | 2 | 8 |
| 2017 | 7 | 7 |
| 2018 | 7 | 5 |
| 2019 | 5 | 10 |
| 2020 | 6 | 19 |
| 2021 | 7 | 11 |
| 2022 | 11 | 11 |
| 2023 | 9 | 14 |
| 2024 | 5 | 10 |
| 2025 | 5 | 8 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Biopolymer composition and its use as a powder coating11 Aug 2026US 12,703,947 B2Brightplus Oy
- Method for coating a hollow container comprising molded pulp7 Jul 2026US 12,674,284 B2Alpla Werke Alwin Lehner GmbH & Co. KG
- Method for producing a green paper for producing a gas diffusion layer for a fuel cell23 Jun 2026US 12,665,202 B2Giesecke+Devrient Currency Technology GmbH
- Metalized powder painted color sample16 Jun 2026US 12,654,484 B2Color Communications, Inc.
- Packaging material for packaging of liquid and food22 Jul 2025US 12,366,039 B2Stora Enso OYJ
- Method for coating a hollow container comprising molded pulp8 Oct 2026US 2026/0308853 A1
- Coating apparatus for coating a hollow container comprising molded pulp1 Oct 2026US 2026/0297855 A1
- Metalized Powder Painted Color Sample10 Sep 2026US 2026/0264445 A1Color Communications, Inc.
- Method30 Jul 2026US 2026/0218459 A1
- Application device and method for coating a fibrous material web8 Jan 2026US 2026/0009187 A1Voith Patent GmbH
Most cited
By later US patents
- Soft tissue paper231US 5,059,282 AThe Procter & Gamble Company · 1991
- Process for making soft, strong cellulosic sheet and products made thereby136US 4,795,530 AKimberly-Clark Corporation · 1989
- Soft tissue paper containing noncationic surfactant123US 4,959,125 AThe Procter & Gamble Company · 1990
- Process for preparing soft tissue paper treated with noncationic surfactant115US 4,940,513 AThe Procter & Gamble Company · 1990
- Lotioned tissue paper114US 5,716,692 AThe Procter & Gamble Company · 1998