A46B 11/0027
Lead-screw mechanisms
Official title: {Lead-screw mechanisms}
A46B11/0027 (Lead-screw mechanisms) appears on 130 US grants and 116 published applications in this corpus.
Search patents in A46B- Granted patents
- 130
- Published applications
- 116
- Assignees
- 41
- Inventors
- 210
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 5 | 3 |
| 2003 | 2 | 2 |
| 2004 | 2 | 2 |
| 2005 | 1 | 2 |
| 2006 | 2 | 5 |
| 2007 | 3 | 1 |
| 2008 | 1 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 3 |
| 2011 | 0 | 8 |
| 2012 | 0 | 12 |
| 2013 | 10 | 12 |
| 2014 | 7 | 4 |
| 2015 | 7 | 5 |
| 2016 | 6 | 7 |
| 2017 | 4 | 3 |
| 2018 | 6 | 6 |
| 2019 | 4 | 5 |
| 2020 | 3 | 4 |
| 2021 | 5 | 4 |
| 2022 | 4 | 6 |
| 2023 | 5 | 6 |
| 2024 | 5 | 3 |
| 2025 | 2 | 6 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Personal care product dispensing system23 Dec 2025US 12,501,994 B2The Gillette Company
- Paint applicator, kit and method19 Aug 2025US 12,390,826 B2Designing Solutions, LLC
- Personal care product dispensing system31 Dec 2024US 12,178,310 B2The Gillette Company
- Multiuse tooth cleaning devices and processes for using same24 Sep 2024US 12,096,843 B2FunkkOFF!
- Paint applicator, kit and method20 Aug 2024US 12,064,784 B2Designing Solutions, LLC
- Valve-operated polishing apparatus10 Sep 2026US 2026/0262822 A1
- Paint applicator, kit and method13 Aug 2026US 2026/0233248 A1Designing Soluions, LLC
- Reusable travel toothbrush16 Jul 2026US 2026/0198677 A1
- Targeted drug delivery devices and methods14 May 2026US 2026/0131120 A1Rithim Biologics, Inc.
- Toothbrush pen23 Oct 2025US 2025/0325096 A1
Most cited
By later US patents
- Apparatus, method and product for treating teeth132US 6,648,641 B1The Procter & Gamble Company · 2003
- Toothbrush and paste dispenser92US 5,066,155 A1991
- Paste dispensing toothbrush89US 4,277,194 A1981
- Oral care dispenser and oral care system implementing the same63US 8,511,323 B2Colgate-Palmolive Company · 2013
- Gel dispensing hair brush59US 6,022,163 A2000