System Development Corporation
Houston, TX, US· latest recorded location
System Development Corporation is named on 25 US grants and 3 published applications in this corpus. Its most frequent classification is G06F (Computing and data processing).
- Granted patents
- 25
- Published applications
- 3
- Inventors
- 29
- Granted in 2026 so far
- 0
- Most recent grant
- 13 Oct 2015
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 5 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 7 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 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 | 1 | 1 |
| 2014 | 2 | 1 |
| 2015 | 1 | 1 |
By publication year.
Technology areas
Share of 28 documents
- G06FComputing and data processing11
- H04NPictorial communication7
- Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6
- B41JTypewriters4
- G06KGraphical data reading4
- B64DEquipment for fitting in or to aircraft2
- H05KPrinted circuits2
- B01DSeparation1
- B07CPostal sorting1
- G01RMeasuring electric variables1
Recent patents
- System and method for printing on continuous feed media13 Oct 2015US 9,156,290 B2
- System and method for determining top of form9 Dec 2014US 8,908,197 B2
- Active printing system and method for printing based on image size19 Aug 2014US 8,810,820 B2
- Active printing system and method for printing based on image size29 Jan 2013US 8,363,237 B1
- Visual monitor for electrical signals9 Dec 1986US 4,628,303 A
Most cited
By later US patents
- Information storage and retrieval system549US 4,267,568 A1981
- Method and apparatus for scrambling and unscrambling communication signals113US 4,045,814 A1977
- Method and apparatus for scrambling and unscrambling communication signals112US 4,019,201 A1977
- Microwave ice detector55US 4,054,255 A1977
- System for compressed storage of 8-bit ASCII bytes using coded strings of 4 bit nibbles53US 4,597,057 A1986