Kelfkens; Renus

Patent Applications and Registrations

Patent applications and USPTO patent grants for Kelfkens; Renus.The latest application filed is for "universal feeder with clamshell transfer screw".

Company Profile

10.6.8

Kelfkens; Renus - Franklin TN
Kelfkens; Renus - Longmont CO

*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
Universal Feeder With Clamshell Transfer Screw App 20220169932 - Kelfkens; Renus ; et al.	2022-06-02
Elimination of poly- and perfluoro alkyl substances (PFAS) in a wastewater biosolids gasification process using a thermal oxidizer and hydrated lime injection Grant 11,339,337 - Newman , et al. May 24, 2	2022-05-24
System And Process For Continuous Production Of Contaminate Free, Size Specific Biochar Following Gasification App 20220112436 - Kelfkens; Renus ; et al.	2022-04-14
Universal feeder for gasification reactors Grant 11,279,894 - Kelfkens , et al. March 22, 2	2022-03-22
System and process for continuous production of contaminate free, size specific biochar following gasification Grant 11,242,494 - Kelfkens , et al. February 8, 2	2022-02-08
Universal Feeder For Gasification Reactors App 20200332205 - KELFKENS; Renus ; et al.	2020-10-22
Universal feeder for gasification reactors Grant 10,738,249 - Kelfkens , et al. A	2020-08-11
System And Process For Continuous Production Of Contaminate Free, Size Specific Biochar Following Gasification App 20200239793 - Kelfkens; Renus ; et al.	2020-07-30
Gasification reactor with pipe distributor Grant 10,696,913 - Kelfkens , et al. June 30, 2	2020-06-30
Universal Feeder For Gasification Reactors App 20200190416 - Kelfkens; Renus ; et al.	2020-06-18
Method for gasifying feedstock with high yield production of biochar Grant 10,662,386 - Kelfkens , et al.	2020-05-26
Gasification Reactor and Method of Gasification App 20200140768 - Kelfkens; Renus ; et al.	2020-05-07
Method for Gasifying Feedstock with High Yield Production of Biochar App 20200109342 - Kelfkens; Renus ; et al.	2020-04-09
Method for Gasifying Feedstock with High Yield Production of Biochar App 20200040268 - Kelfkens; Renus ; et al.	2020-02-06

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