DP

Darrill L. Plummer

IN Ingersoll-Rand: 5 patents #90 of 828Top 15%
ST Scott Technologies: 5 patents #13 of 98Top 15%
3M: 1 patents #7,233 of 11,543Top 65%
📍 Midland, NC: #2 of 19 inventorsTop 15%
🗺 North Carolina: #4,231 of 45,564 inventorsTop 10%
Overall (All Time): #399,873 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
12403337 SCBA with enhanced emergency breathing support system William E. Parson, William K. Shaffer 2025-09-02
11883695 Respirator mask with air-saver switch Dustin Carroll Clark, Judge W. Morgan, III 2024-01-30
11077323 Respirator mask with air-saver switch Dustin Carroll Clark, Judge W. Morgan, III 2021-08-03
10089889 Unmanned aerial vehicle for situational awareness to first responders and alarm investigation Jason Patterson, William E. Parson, Jerry A. Phifer, Jason R. CANNON, Cedric Williams 2018-10-02
9890905 Method and system for filling a gas cylinder Gaylord Posod, Marvin Carroll 2018-02-13
9310024 Method and system for filling a gas cylinder Gaylord Posod, Mavin Carroll 2016-04-12
7415995 Method and system for independently filling multiple canisters from cascaded storage stations Gaylord Posod 2008-08-26
D395899 Reciprocating compressor Mike Allen, Gregory W. Hallman, Anthony W. Joy, Robert R. Gibson, Christopher F. Yonge 1998-07-07
D392649 Reciprocating compressor Mike Allen, Gregory W. Hallman, Anthony W. Joy, Robert R. Gibson, Christopher F. Yonge 1998-03-24
5562431 Isolated backstop for flexible compressor valve 1996-10-08
5064359 Annular support for a seal for a tilt piston 1991-11-12
4924759 Press-fit retaining ring with extrusion-holding chamfer for wobble-piston cup seal 1990-05-15