DF

David E. Fletcher

DH Dayco Ip Holdings: 21 patents #1 of 20Top 5%
📍 Flint, MI: #1 of 11 inventorsTop 10%
🗺 Michigan: #39 of 9,630 inventorsTop 1%
Overall (2017): #1,444 of 506,227Top 1%
21
Patents 2017

Issued Patents 2017

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
9845773 Aspirator and ejector system Brian M. Graichen, Matt Gilmer, Andrew Niedert, Steve Long 2017-12-19
9845899 Sprung gate valves movable by an actuator Brian M. Graichen, Matt Gilmer 2017-12-19
9841110 Sprung gate valves movable by a solenoid actuator Brian M. Graichen, Matt Gilmer, James H. Miller 2017-12-12
9828953 Evacuator system having multi-port evacuator James H. Miller, Keith Hampton, Brian M. Graichen 2017-11-28
9822785 Turbocharger compressor recirculation system Brian M. Graichen, James H. Miller, Keith Hampton, Matt Gilmer, Rex Bravo +1 more 2017-11-21
D802095 Actuated valve Brian M. Graichen, James H. Miller, Rex Bravo, Keith Hampton, Matthew C. Gilmer +2 more 2017-11-07
D796634 Actuated valve Brian M. Graichen, James H. Miller, Rex Bravo, Keith Hampton, Matthew C. Gilmer +2 more 2017-09-05
D796005 Actuated valve Brian M. Graichen, James H. Miller, Rex Bravo, Keith Hampton, Matthew C. Gilmer +2 more 2017-08-29
D796006 Actuated valve Brian M. Graichen, James H. Miller, Rex Bravo, Keith Hampton, Matthew C. Gilmer +2 more 2017-08-29
D795392 Actuated valve Brian M. Graichen, James H. Miller, Rex Bravo, Keith Hampton, Matthew C. Gilmer +2 more 2017-08-22
9732871 Aspirated relief valve for a turbocharging system Brian M. Graichen, James H. Miller, Keith Hampton, Matthew C. Gilmer 2017-08-15
9669815 Dual aspirator system with aspirator shut-off valve James H. Miller, Keith Hampton 2017-06-06
9657748 Pneumatically actuated vacuum pump having multiple venturi gaps and check valves Brian M. Graichen, Keith Hampton 2017-05-23
9617958 Noise attenuation unit for engine systems Keith Hampton, Brian M. Graichen, Rex Bravo 2017-04-11
9599234 Sprung gate valve Brian M. Graichen, Matthew C. Gilmer, Keith Hampton 2017-03-21
9599246 Magnetically actuated shut-off valve Brian M. Graichen, James H. Miller, Keith Hampton 2017-03-21
9581258 Check valve with improved sealing member James H. Miller, Rex Bravo, Andrew Niedert, Matt Gilmer 2017-02-28
D780296 Actuated valve Brian M. Graichen, James H. Miller, Rex Bravo, Keith Hampton, Matthew C. Gilmer +2 more 2017-02-28
9581060 Evacuator system for supplying high suction vacuum or high suction flow rate James H. Miller, Keith Hampton 2017-02-28
9574677 Solenoid-powered gate valve Brian M. Graichen, Matthew C. Gilmer, James H. Miller 2017-02-21
9534704 Noise attenuation in a check valve unit or apparatus for producing vacuum Keith Hampton, Brian M. Graichen, Rex Bravo, Matt Gilmer, Andrew Niedert 2017-01-03