DB

Douglas C. Barker

HL Hoover Limited: 22 patents #11 of 240Top 5%
ZI Zimmer: 4 patents #211 of 1,039Top 25%
HL Healthy Gain Investments Limited: 1 patents #11 of 29Top 40%
ZS Zimmer Surgical: 1 patents #10 of 17Top 60%
📍 North Canton, OH: #30 of 570 inventorsTop 6%
🗺 Ohio: #1,995 of 73,341 inventorsTop 3%
Overall (All Time): #136,836 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
12171533 Automatic cuff identification system and method Paresh Vasandani 2024-12-24
11793250 Surgical helmet Ganesh B. Pavalarajan, John Bartholomew, George Brand, Anna Diorio-Blum, Larry Keith Hooks, Jr. +4 more 2023-10-24
11284655 Surgical helmet Ganesh B. Pavalarajan, John Bartholomew, George Brand, Anna Diorio-Blum, Larry Keith Hooks, Jr. +4 more 2022-03-29
10687568 Surgical helmet Ganesh B. Pavalarajan, John Bartholomew, George Brand, Anna Diorio-Blum, Larry Keith Hooks, Jr. +4 more 2020-06-23
8002779 Dermatome blade assembly David J. Boles 2011-08-23
7367083 Suction nozzle assembly for a cleaning apparatus Charles A. Lang, Gregg A. McAllise 2008-05-06
D545012 Base for an upright extractor Richard S. Parr, David L. O'Neal, Richard E. Corney 2007-06-19
D534699 Portion of a portable cleaning machine David W. Moine, Ronald J. Stephens, William G. Alford, Richard S. Parr, Erik D. Lesco 2007-01-02
7039985 Removable hose and tool caddy Timothy B. Hisrich, Glenn Matusz 2006-05-09
D517260 Portable cleaning machine David W. Moine, Ronald J. Stephens, William G. Alford, Richard S. Parr, Erik D. Lesco 2006-03-14
D513648 Tank for a portable cleaning machine David W. Moine, Ronald J. Stephens, William G. Alford, Richard S. Parr 2006-01-17
D513649 Tank for a portable cleaning machine David W. Moine, Ronald J. Stephens, William G. Alford, Richard S. Parr 2006-01-17
D505527 Portion of a hood for a dry carpet cleaning dry powder spreader Matthew J. Archer 2005-05-24
D498888 Carpet cleaning dry powder spreader Matthew J. Archer 2004-11-23
D488893 Vacuum cleaner David W. Moine, Christopher J. Fawcett 2004-04-20
D474315 Vacuum cleaner suction nozzle Matthew J. Archer, David W. Moine, Ryan S. Steiner, Ronald J. Stephens 2003-05-06
D473686 Upper portion of a vacuum cleaner Matthew J. Archer, David W. Moine 2003-04-22
6134746 Hand held turbine powered extractor nozzle Daniel R. Miller, John A. Leonatti, Kenneth L. Symensma 2000-10-24
6108860 Compact carpet and upholstery extractor Darwin S. Crouser, Edgar A. Maurer 2000-08-29
D427397 Vacuum cleaner upper portion William G. Alford, Lynn A. Frederick, David W. Moine 2000-06-27
D426688 Vacuum cleaner upper portion David W. Moine, Lynn A. Frederick, Richard A. Wareham, John D. Essex 2000-06-13
D426689 Vacuum cleaner upper portion William G. Alford, Lynn A. Frederick, David W. Moine 2000-06-13
5960514 Wheel driven suction nozzle Daniel R. Miller, Vincent L. Weber 1999-10-05
5961676 Hard bag door with air directing arrangement Douglass A. King, Raymond L. Lawer, David P. Parks, Kurt D. Harsh, Jeffrey S. Louis +2 more 1999-10-05
5870798 Compact carpet and upholstery extractor Darwin S. Crouser, Edgar A. Maurer 1999-02-16