B07B 1/4663
Multi-layer screening surfaces
Official title: {Multi-layer screening surfaces}
B07B1/4663 (Multi-layer screening surfaces) appears on 210 US grants and 175 published applications in this corpus.
Search patents in B07B- Granted patents
- 210
- Published applications
- 175
- Assignees
- 69
- Inventors
- 206
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 7 | 0 |
| 1996 | 2 | 0 |
| 1997 | 9 | 0 |
| 1998 | 4 | 0 |
| 1999 | 12 | 0 |
| 2000 | 7 | 0 |
| 2001 | 15 | 1 |
| 2002 | 14 | 18 |
| 2003 | 11 | 10 |
| 2004 | 11 | 14 |
| 2005 | 5 | 10 |
| 2006 | 3 | 9 |
| 2007 | 5 | 2 |
| 2008 | 2 | 9 |
| 2009 | 4 | 9 |
| 2010 | 2 | 3 |
| 2011 | 5 | 7 |
| 2012 | 5 | 4 |
| 2013 | 3 | 1 |
| 2014 | 8 | 7 |
| 2015 | 5 | 3 |
| 2016 | 2 | 10 |
| 2017 | 6 | 3 |
| 2018 | 2 | 6 |
| 2019 | 12 | 9 |
| 2020 | 7 | 10 |
| 2021 | 13 | 16 |
| 2022 | 10 | 5 |
| 2023 | 5 | 3 |
| 2024 | 3 | 3 |
| 2025 | 3 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Injection molded screening apparatuses and methods9 Dec 2025US 12,491,537 B2Derrick Corporation
- Intelligent waste wooden formwork recovery and recycling system and method10 Jun 2025US 12,325,149 B2Wuhan Construction Engineering Group Co., Ltd.
- Undulating shaker screen assembly20 May 2025US 12,303,941 B2Continental Wire Cloth, LLC
- Powder reclamation system for multiple metal powder processing devices15 Oct 2024US 12,115,557 B2General Electric Company
- Injection molded screening apparatuses and methods23 Jul 2024US 12,042,822 B2Derrick Corporation
- Solids separation screen with patterned encapsulation30 Jul 2026US 2026/0216750 A1Schlumberger Technology Corporation
- Intelligent waste wooden formwork recovery and recycling system and method8 May 2025US 2025/0144843 A1Wuhan Construction Engineering Group Co., Ltd.
- Method for manufacturing light-emitting element, method for manufacturing display panel, and display panel8 May 2025US 2025/0151597 A1Hkc Corporation Limited
- Powder reclamation system for multiple metal powder processing devices19 Dec 2024US 2024/0416388 A1General Electric Company
- Injection molded screening apparatuses and methods3 Oct 2024US 2024/0326095 A1Derrick Corporation
Most cited
By later US patents
- Vibratory screening machine and non-clogging wear-reducing screen assembly therefor125US 5,221,008 ADerrick Manufacturing Corporation · 1993
- Non-clogging wear-reducing screen assembly for vibrating screening machine106US 4,575,421 ADerrick Manufacturing Corporation · 1986
- Non-clogging screen apparatus104US 4,033,865 ADerrick Manufacturing Corporation · 1977
- Mining screen device and grid structure therefor102US 5,385,669 AEnvironmental Procedures, Inc. · 1995
- Undulating screen for vibratory screening machine and method of fabrication thereof101US 5,417,859 ADerrick Manufacturing Corporation · 1995