B07B 1/469
Perforated sheet-like material
Official title: {Perforated sheet-like material}
B07B1/469 (Perforated sheet-like material) appears on 270 US grants and 209 published applications in this corpus.
Search patents in B07B- Granted patents
- 270
- Published applications
- 209
- Assignees
- 127
- Inventors
- 317
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 9 | 0 |
| 1996 | 5 | 0 |
| 1997 | 8 | 0 |
| 1998 | 5 | 0 |
| 1999 | 15 | 0 |
| 2000 | 8 | 0 |
| 2001 | 13 | 1 |
| 2002 | 15 | 13 |
| 2003 | 11 | 10 |
| 2004 | 8 | 10 |
| 2005 | 6 | 10 |
| 2006 | 5 | 3 |
| 2007 | 5 | 5 |
| 2008 | 2 | 4 |
| 2009 | 2 | 4 |
| 2010 | 1 | 8 |
| 2011 | 5 | 8 |
| 2012 | 7 | 7 |
| 2013 | 3 | 7 |
| 2014 | 6 | 5 |
| 2015 | 4 | 2 |
| 2016 | 4 | 9 |
| 2017 | 5 | 5 |
| 2018 | 5 | 16 |
| 2019 | 10 | 18 |
| 2020 | 12 | 15 |
| 2021 | 16 | 19 |
| 2022 | 14 | 10 |
| 2023 | 16 | 11 |
| 2024 | 10 | 6 |
| 2025 | 3 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for compression of aqueous slurry containing solid foreign matter and paper dust, and treatment method of waste gypsum board24 Feb 2026US 12,559,380 B2Tokuyama Corporation
- Injection molded screening apparatuses and methods9 Dec 2025US 12,491,537 B2Derrick Corporation
- Undulating shaker screen assembly20 May 2025US 12,303,941 B2Continental Wire Cloth, LLC
- Gold panning apparatus18 Mar 2025US 12,251,732 B1
- Method and apparatuses for screening12 Nov 2024US 12,138,661 B2Derrick Corporation
- Vibrating sieve12 Feb 2026US 2026/0042119 A1
- Method and system for recovering wood particles from a wood-based feedstock comprising bark17 Jul 2025US 2025/0229294 A1
- Sieving devices for pupae separation20 Mar 2025US 2025/0091090 A1Verily Life Sciences LLC
- Injection molded screening apparatuses and methods3 Oct 2024US 2024/0326095 A1Derrick Corporation
- Floatable Support for Metal Detection12 Sep 2024US 2024/0302559 A1Treasure Targets LLC
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
- 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
- Sifting frame assembly with differentially tensioned screens96US 4,728,422 AThule United Limited · 1988