B31F 1/145
Blade constructions
Official title: {Blade constructions}
B31F1/145 (Blade constructions) appears on 57 US grants and 40 published applications in this corpus.
Search patents in B31F- Granted patents
- 57
- Published applications
- 40
- Assignees
- 32
- Inventors
- 80
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 1 | 0 |
| 2002 | 4 | 3 |
| 2003 | 4 | 3 |
| 2004 | 2 | 2 |
| 2005 | 0 | 2 |
| 2006 | 1 | 2 |
| 2007 | 3 | 1 |
| 2008 | 1 | 3 |
| 2009 | 1 | 2 |
| 2010 | 3 | 0 |
| 2011 | 1 | 2 |
| 2012 | 1 | 0 |
| 2013 | 0 | 3 |
| 2014 | 2 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 2 |
| 2017 | 1 | 2 |
| 2018 | 2 | 2 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 2 | 2 |
| 2022 | 0 | 2 |
| 2023 | 1 | 0 |
| 2024 | 3 | 2 |
| 2025 | 2 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Stud for a doctor blade holder in a fiber web machine and doctor blade assembly for a fiber web machine14 Oct 2025US 12,442,136 B2Valmet Technologies Oy
- Crepe blade11 Feb 2025US 12,220,893 B2Clouth Sprenger GmbH
- Creping blade for tissue making19 Nov 2024US 12,145,342 B2Irving Consumer Products Limited
- Blade and creping arrangement29 Oct 2024US 12,128,647 B2Voith Patent GmbH
- Creping blade and method for manufacturing same9 Apr 2024US 11,951,708 B2Ganzhou En Chuang Technology Company Limited
- Multifunctional device, system, and method for monitoring creped product quality and blade wear9 Oct 2025US 2025/0314601 A1
- Creping blade for tissue making30 Jan 2025US 2025/0033314 A1Irving Consumer Products Limited
- Blade and creping arrangement8 Aug 2024US 2024/0262071 A1Voith Patent GmbH
- Stud for a Doctor Blade Holder in a Fiber Web Machine and Doctor Blade Assembly for a Fiber Web Machine28 Mar 2024US 2024/0102244 A1Valmet Technologies Oy
- Crepe blade15 Dec 2022US 2022/0396048 A1Cloth Sprenger GmbH
Most cited
By later US patents
- Biaxially undulatory tissue and creping process using undulatory blade56US 5,690,788 AJames River Corporation of Virginia · 1997
- Single-ply embossed absorbent paper products55US 6,455,129 B1Fort James Corporation · 2002
- Wet crepe throughdry process for making absorbent sheet and novel fibrous product55US 6,752,907 B2Georgia-Pacific Corporation · 2004
- Wet crepe throughdry process for making absorbent sheet and novel fibrous products54US 7,691,228 B2Georgia-Pacific Consumer Products LP · 2010
- Wet crepe throughdry process for making absorbent sheet and novel fibrous products51US 7,160,418 B2Georgia-Pacific Corporation · 2007