Duddy; John E.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Duddy; John E..The latest application filed is for "novel processing scheme for production of low sulfur bunker fuel".

Company Profile

6.9.7

Duddy; John E. - Langhorne PA US
Duddy; John E - Langhorne PA
Duddy, John E. - Bensalem FR

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Processing scheme for production of low sulfur bunker fuel Grant 10,800,982 - Peer , et al. October 13, 2	2020-10-13
Novel Processing Scheme for Production of Low Sulfur Bunker Fuel App 20200248080 - Kind Code	2020-08-06
Integrated coal liquefaction, petroleum or biomass facility with decreased carbon dioxide production and higher carbon and thermal efficiencies Grant 10,487,274 - Colyar , et al. Nov	2019-11-26
Integrated Coal Liquefaction, Petroleum or Biomass Facility with Decreased Carbon Dioxide Production and Higher Carbon and Therm App 20190270942 - Colyar; James J. ; et al.	2019-09-05
Process for upgrading coal pyrolysis oils Grant 8,252,169 - MacArthur , et al. August 28, 2	2012-08-28
Direct coal liquefaction with integrated product hydrotreating and catalyst cascading Grant 8,226,821 - MacArthur , et al. July 24, 2	2012-07-24
Process and installation for conversion of heavy petroleum fractions in a boiling bed with integrated production of middle distillates with a very low sulfur content Grant 7,919,054 - Duddy , et al. April 5, 2	2011-04-05
Direct coal liquefaction with integrated product hydrotreating and catalyst cascading App 20110042272 - MacArthur; James B. ; et al.	2011-02-24
Process And Installation For Conversion Of Heavy Petroleum Fractions In A Boiling Bed With Integrated Production Of Middle Distillates With A Very Low Sulfur Content App 20100166621 - Duddy; John E. ; et al.	2010-07-01
Process for upgrading coal pyrolysis oils App 20100147743 - MacArthur; James B. ; et al.	2010-06-17
Process and installation for conversion of heavy petroleum fractions in a boiling bed with integrated production of middle distillates with a very low sulfur content Grant 7,704,377 - Duddy , et al. April 27, 2	2010-04-27
Process and installation for conversion of heavy petroleum fractions in a boiling bed with integrated production of middle distillates with a very low sulfur content App 20070209965 - Duddy; John E. ; et al.	2007-09-13
Method and processing equipment for hydrocarbons and for separation of the phases produced by said processing App 20050075527 - Pinault, Mathieu ; et al.	2005-04-07
Catalytic multi-stage hydrodesulfurization of metals-containing petroleum residua with cascading of rejuvenated catalyst Grant 5,925,238 - Duddy , et al. July 20, 1	1999-07-20
Catalyst rejuvenation process Grant 5,906,953 - Duddy , et al. May 25, 1	1999-05-25

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.