David W Hill
Inventor
Stats
- 48 total patents issued
- 60 total patents filed
- most recent filing
This is official USPTO record data
Details
- 48 Issued Patents
- 60 Filed Patents
- 445 Total Citation Count
- Feb 9, 2012 Most Recent Filing
- Oct 22, 1980 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| INTERNATIONAL BUSINESS MACHINES CORPORATION | 3 3 5 8 2 7 2 2 1 1 | 1987 1988 1990 1992 1993 1994 1998 1999 2003 2006 |
| INTELLECTUAL VENTURES FUND 83 LLC | 1 | 2003 |
| APPLE INC. | 1 1 | 2003 2004 |
| SECRETARY OF STATE FOR DEFENCE, THE | 1 | 1980 |
| TIMEDRIGHT INC. | 1 2 | 2009 2011 |
| SEVERN TRENT DE NORA, LLC | 1 4 1 | 2005 2007 2012 |
| LENOVO (SINGAPORE) PTE LTD. | 1 1 1 1 2 1 | 1999 2003 2004 2008 2009 2010 |
| CRYSTAL PHOTONICS, INCORPORATED | 1 2 | 2003 2007 |
| The Coleman Company, Inc. | 1 | 1986 |
Inventor Addresses
| Address | Duration |
|---|---|
| 3002 W. Madison St., Springfield, MO 65802 | Jan 14, 97 - Jan 14, 97 |
| Cary, NC | Jun 15, 99 - Jun 05, 07 |
| Cary, NC, US | Jun 03, 10 - May 12, 11 |
| London, GB2 | Aug 31, 82 - Aug 31, 82 |
| Orlando, FL | Jan 30, 07 - May 24, 07 |
| Orlando, FL, US | Aug 18, 09 - Aug 18, 09 |
| Rochester, MN | Mar 28, 89 - Aug 23, 07 |
| Sugar Land, TX | Jul 17, 07 - Jun 26, 08 |
| Sugar Land, TX, US | Apr 03, 12 - Jun 07, 12 |
| Toronto, CA | Aug 19, 10 - Jan 29, 13 |
| Walnut Creek, CA | Nov 02, 04 - Sep 13, 05 |
Technology Profile
| Technology | # of Patents | |
|---|---|---|
| B01D: | SEPARATION | 2 |
| B41J: | TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS | 3 |
| C02F: | TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE | 5 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 8,364,753 | 2013 | Relationship and security in online social and professional networks and communities | 0 |
| 8,364,753 | 2013 | Relationship and security in online social and professional networks and communities | 0 |
| 2012/0253,866 | 2012 | ORGANIZATION OF REVERSE FLEXIBLE MEETING SCHEDULES | 0 |
| 2012/0138,516 | 2012 | System for Treatment and Neutralization of Oxidizing Agents in Ballast Water | 0 |
| 8,152,989 | 2012 | System and process for treating ballast water | 0 |
