H04N 1/16
Using a rotating helical element
Official title: using a rotating helical element
H04N1/16 (Using a rotating helical element) appears on 11 US grants and 1 published applications in this corpus.
Search patents in H04N- Granted patents
- 11
- Published applications
- 1
- Assignees
- 8
- Inventors
- 20
- Latest grant
- 21 Sep 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 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 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Image forming apparatus21 Sep 2021US 11,128,772 B2KYOCERA Document Solutions Inc.
- Illumination device for film image scanning device16 Jun 1998US 5,767,990 ANikon Corporation
- Scanning apparatus and method6 Oct 1992US 5,153,769 AScitex Corporation Ltd.
- Laser printing system with developable helicoid reflector22 Jan 1985US 4,494,821 APolaroid Corporation
- Recording graphic data of different transmission rates2 Mar 1982US 4,318,134 AAlden Research Foundation
Most cited
By later US patents
- Apparatus and method for facsimile scanning8US 4,040,095 ATeletype Corporation · 1977
- Recording graphic data of different transmission rates7US 4,318,134 AAlden Research Foundation · 1982
- Scanning apparatus and method6US 5,153,769 AScitex Corporation Ltd. · 1992
- Laser printing system with developable helicoid reflector5US 4,494,821 APolaroid Corporation · 1985
- Illumination device for film image scanning device5US 5,767,990 ANikon Corporation · 1998