B43K 1/06
Tubular writing-points
B43K1/06 (Tubular writing-points) appears on 21 US grants and 8 published applications in this corpus.
Search patents in B43K- Granted patents
- 21
- Published applications
- 8
- Assignees
- 15
- Inventors
- 38
- Latest grant
- 18 Oct 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 2 |
| 2021 | 2 | 1 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Pen and pen refill18 Oct 2022US 11,472,220 B2Kuretake Co., Ltd.
- Writing instrument comprising two concentric writing tips21 Sep 2021US 11,124,013 B2Societe BIC
- Pen dispenser with plastic spring actuator22 Jun 2021US 11,040,566 B2LB USA Flexibles, Inc.
- Marker and stamp system15 Jan 2019US 10,179,474 B2
- Writing instrument14 Feb 2017US 9,566,818 B2Mitsubishi Pencil Company, Limited
- Pen and Pen Refill13 May 2021US 2021/0138824 A1Kuretake Co., Ltd.
- Writing instrument comprising two concentric writing tips10 Sep 2020US 2020/0282762 A1Societe BIC
- Pen Dispenser with Plastic Spring Actuator27 Feb 2020US 2020/0062020 A1David S. Smith America, Inc., DBA, Worldwide Dispensers
- Marker and stamp system27 Sep 2018US 2018/0272793 A1
- Writing instrument24 Dec 2015US 2015/0367672 A1Mitsubishi Pencil Company, Limited
Most cited
By later US patents
- Writing instrument tip21US 4,551,038 AThe Gillette Company · 1985
- Writing point for writing or recording instruments and process for its manufacture8US 4,634,306 AFirma J. S. Staedtler · 1987
- Writing instrument with a metal wire point7US 4,531,853 AShachihata Industry Co., Ltd. · 1985
- Conical nib, method of manufacture of the same, and ceramic composite conical nib5US 6,652,177 B22003
- Embouchure pens having plural contiguous nibs4US 4,171,168 A1979