D21G 7/00
Damping devices
D21G7/00 (Damping devices) appears on 98 US grants and 56 published applications in this corpus.
Search patents in D21G- Granted patents
- 98
- Published applications
- 56
- Assignees
- 52
- Inventors
- 155
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 7 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 3 |
| 2002 | 10 | 2 |
| 2003 | 3 | 5 |
| 2004 | 2 | 6 |
| 2005 | 3 | 5 |
| 2006 | 3 | 6 |
| 2007 | 2 | 0 |
| 2008 | 4 | 3 |
| 2009 | 2 | 2 |
| 2010 | 1 | 2 |
| 2011 | 2 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 2 | 2 |
| 2015 | 2 | 2 |
| 2016 | 2 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 2 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 2 | 3 |
| 2023 | 2 | 1 |
| 2024 | 1 | 3 |
| 2025 | 0 | 3 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for the pretreatment of fibrous material, pretreatment chamber and fiber molding plant18 Aug 2026US 12,709,843 B2KIEFEL GmbH
- Method and device for producing or treating a web of fibrous material14 Apr 2026US 12,601,116 B2Voith Patent GmbH
- Rotating pulp suction and robot transfer molding machine and molding method15 Oct 2024US 12,116,728 B2Shurcon Manufacturing (Zhejiang) Co., Ltd.
- Systems and methods for providing doctor blade holders with vibration mitigation5 Dec 2023US 11,834,790 B2Kadant Inc.
- Sheet manufacturing method and sheet manufacturing apparatus7 Nov 2023US 11,807,988 B2Seiko Epson Corporation
- Sheet manufacturing apparatus8 Jan 2026US 2026/0009182 A1Seiko Epson Corporation
- Sheet manufacturing apparatus8 Jan 2026US 2026/0009183 A1Seiko Epson Corporation
- Sheet manufacturing apparatus and humidifying apparatus4 Dec 2025US 2025/0369185 A1Seiko Epson Corporation
- Offline paperboard moisturizing12 Jun 2025US 2025/0188678 A1Brown LLC
- Method for rewetting a web made from paper, and plant22 May 2025US 2025/0163650 A1BHS Corrugated Maschinen-und Anlagenbau GmbH
Most cited
By later US patents
- Cross-direction actuator and control system with adaptive footprint58US 7,513,975 B2Honeywell International Inc. · 2009
- Cross-directional steam application apparatus31US 5,020,469 AMeasurex Corporation · 1991
- Method for adding moisture to a traveling web30US 4,207,143 AWestvaco Corporation · 1980
- Evaporative-cooling apparatus and method for the control of web or web-production machine component surface temperatures28US 4,689,895 AThermo Electron Web Systems, Inc. · 1987
- Steam humidifier with pressure variable aperture27US 6,488,219 B12002