May; David F.

Patent Applications and Registrations

Patent applications and USPTO patent grants for May; David F..The latest application filed is for "method of operating a spark ignition internal combustion engine".

Company Profile

0.13.7

May; David F. - Prestonsburg KY US
May; David F. - Columbus IN US
May; David F - Columbus IN
May; David F. - Prestonburg KY

*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
Process for generating combustible gas from organic feedstock and reactors therefor Grant 9,885,478 - May , et al. February 6, 2	2018-02-06
Method of operating a compression ignition internal combustion engine Grant 8,590,505 - Simmons , et al. November 26, 2	2013-11-26
Method Of Operating A Spark Ignition Internal Combustion Engine App 20110209683 - Simmons; Brandon M. ; et al.	2011-09-01
Method Of Operating A Compression Ignition Internal Combustion Engine App 20110088656 - Simmons; Brandon M. ; et al.	2011-04-21
System and method of generating electricity App 20050211143 - May, David F. ; et al.	2005-09-29
System and method of processing solid waste Grant 6,932,002 - May , et al. August 23, 2	2005-08-23
System and method of processing solid waste App 20050051066 - May, David F. ; et al.	2005-03-10
Exhaust aftertreatment system and method for an internal combustion engine Grant 6,820,417 - May , et al. November 23, 2	2004-11-23
Method and apparatus to determine flow rate with the introduction of ambient air Grant 6,668,663 - May , et al. December 30, 2	2003-12-30
Exhaust aftertreatment system and method for an internal combustion engine App 20030115860 - May, David F. ; et al.	2003-06-26
Centrifugal filter for removing soot from engine oil Grant 6,517,475 - Brown , et al. February 11, 2	2003-02-11
Bone conduction speaker and microphone Grant 6,463,157 - May October 8, 2	2002-10-08
Gaseous mass flow measurement device App 20020108451 - May, David F. ; et al.	2002-08-15
Motor driven centrifugal filter App 20010012814 - May, David F. ; et al.	2001-08-09
Turbine driven centrifugal filter Grant 6,210,311 - May April 3, 2	2001-04-03
Underwater audio communication system using bone conducted sound Grant 5,889,730 - May March 30, 1	1999-03-30
Scuba diving voice and communication system using bone conducted sound Grant 5,706,251 - May January 6, 1	1998-01-06
Scuba diving voice and communication system using bone conducted sound Grant 5,579,284 - May November 26, 1	1996-11-26

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