B21H 7/14
Knurled articles
Official title: knurled articles
B21H7/14 (Knurled articles) appears on 33 US grants and 13 published applications in this corpus.
Search patents in B21H- Granted patents
- 33
- Published applications
- 13
- Assignees
- 22
- Inventors
- 57
- Latest grant
- 27 Jun 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 2 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 2 | 5 |
| 2019 | 2 | 0 |
| 2020 | 0 | 2 |
| 2021 | 1 | 0 |
| 2022 | 2 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Friction ring for a brake disk and related methods27 Jun 2023US 11,686,359 B2Continental Teves AG & Co. oHG
- Integrated post-weld knurling process and device for performing the same27 Dec 2022US 11,536,311 B2Neapco Intellectual Property Holdings, LLC
- Sheave knurling tool and method of operating31 May 2022US 11,344,944 B2Otis Elevator Company
- Tubular structures and knurling systems and methods of manufacture and use thereof23 Feb 2021US 10,927,982 B2Deflecto, LLC
- Sheave knurling tool and method of operating3 Dec 2019US 10,493,518 B2Otis Elevator Company
- Friction ring for a brake disk and related methods12 Mar 2020US 2020/0080607 A1Continental Teves AG & Co. oHG
- Sheave knurling tool and method of operating13 Feb 2020US 2020/0047240 A1Otis Elevator Company
- Integrated post-weld knurling process and device for performing the same13 Sep 2018US 2018/0258980 A1Neapco Intellectual Property Holdings, LLC
- Tubular structures and knurling systems and methods of manufacture and use thereof5 Jul 2018US 2018/0187800 A1Deflecto, LLC
- Sheave knurling tool and method of operating1 Mar 2018US 2018/0056368 A1Otis Elevator Company
Most cited
By later US patents
- Method and apparatus for knurling a workpiece, method of molding an article with such workpiece, and such molded article225US 5,975,987 A3M Innovative Properties Company · 1999
- Tubular structures and knurling systems and methods of manufacture and use thereof118US 9,933,092 B2Deflecto, LLC · 2018
- Knurling tool14US 4,257,250 A1981
- Hardened steel pin, pin and washer fastener, washer for fastener, and pin-making method14US 6,171,042 B2Illinois Tool Works Inc. · 2001
- Process for applying a thick inset of antifriction resins on a surface11US 4,248,915 ANuovo Pignone S.p.A. · 1981