PC

Paul J. Cheng

PP Phillips Petroleum: 41 patents #22 of 1,401Top 2%
📍 Bartlesville, OK: #34 of 1,143 inventorsTop 3%
🗺 Oklahoma: #118 of 12,736 inventorsTop 1%
Overall (All Time): #74,143 of 4,157,543Top 2%
42
Patents All Time

Issued Patents All Time

Showing 26–42 of 42 patents

Patent #TitleCo-InventorsDate
4327069 Process for making carbon black 1982-04-27
4321248 Method for vortex flow carbon black production 1982-03-23
4315901 Process for producing carbon black King L. Mills 1982-02-16
4313921 Carbon black process 1982-02-02
4306888 Method for filtering dust 1981-12-22
4302423 Apparatus and method for producing carbon black King L. Mills 1981-11-24
4299797 Carbon black production 1981-11-10
4294814 Carbon black process and reactor 1981-10-13
4285926 Start-up of carbon black process King L. Mills 1981-08-25
4279881 Carbon black production from solid carbonaceous feedstock 1981-07-21
4247530 Apparatus and method for producing carbon black King L. Mills 1981-01-27
4245693 Waste heat recovery 1981-01-20
4228143 Method of producing pelleted carbon black King L. Mills 1980-10-14
4225570 Carbon black production 1980-09-30
4224284 Carbon black reactor 1980-09-23
4206175 Apparatus for carbon black production from coal 1980-06-03
4191542 Filtering process for a carbon black-containing gas 1980-03-04