Hancock; John C.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hancock; John C..The latest application filed is for "method and apparatus for sludge removal from a tank".
- Hancock; John C. - League City TX US
- Hancock; John C. - Port Isabel TX US
- Hancock; John C. - Santa Barbara CA
| Patent | Date |
|---|---|
| Process and system for recovery of solids from a drilling fluid Grant 10,012,043 - Hancock , et al. July 3, 2 | 2018-07-03 |
| Method and apparatus for sludge removal from a tank Grant 9,370,806 - Hancock June 21, 2 | 2016-06-21 |
| Method and apparatus for sludge removal from a tank Grant 9,108,230 - Hancock August 18, 2 | 2015-08-18 |
| Method and Apparatus for Sludge Removal From a Tank App 20110315798 - Hancock; John C. | 2011-12-29 |
| Method and Apparatus for Sludge Removal From a Tank App 20090071510 - Hancock; John C. | 2009-03-19 |
| Hydrocarbon Tank Cleaning Systems App 20080023050 - Hancock; John C. | 2008-01-31 |
| Methods and Systems For Operating Large Hydrocarbon Storage Facilities App 20080023040 - Hancock; John C. | 2008-01-31 |
| Hydrocarbon Tank Cleaning Methods App 20080023039 - Hancock; John C. | 2008-01-31 |
| Intragastric balloon with improved valve locating means Grant 5,084,061 - Gau , et al. January 28, 1 | 1992-01-28 |
| Self-sealing injection reservoir Grant 4,840,615 - Hancock , et al. June 20, 1 | 1989-06-20 |
| Self-sealing injection reservoir Grant 4,798,584 - Hancock , et al. January 17, 1 | 1989-01-17 |
| Self-sealing injection reservoir Grant 4,738,657 - Hancock , et al. April 19, 1 | 1988-04-19 |
| Intrapelvic displacement prosthesis Grant D291,248 - Sugarbaker , et al. August 4, 1 | 1987-08-04 |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.
| 