Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JD

Joseph E. Dunn — 20 Patents

PTPurepulse Technologies: 11 patents #1 of 25Top 4%
MLMaxwell Laboratories: 5 patents #4 of 58Top 7%
IBM: 1 patents #44,878 of 70,183Top 65%
Tucson, AZ: #338 of 6,004 inventorsTop 6%
Arizona: #1,696 of 32,909 inventorsTop 6%
Overall (All Time): #214,803 of 4,157,543Top 6%
20 Patents All Time
Joseph E. Dunn has been granted 20 US patents while listed as an inventor at Purepulse Technologies. The first was granted in 1987 and the most recent in January 2025. Joseph E. Dunn ranks #214,803 of 4,157,543 US inventors in our database (top 5.2%). Patent records list Joseph E. Dunn in Tucson, AZ, US.

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12204495 Utilizing structured logs of declarative computing environments Scott Miller 2025-01-21
7038219 Sterilization of packages and their contents using light Reginald W. Clark, James C. Lierman, Donald Lander 2006-05-02
6566659 Parametric control in pulsed light sterilization Reginald W. Clark, James C. Lierman, Donald Lander 2003-05-20
6228332 Deactivation of organisms using high-intensity pulsed polychromatic light Reginald W. Clark, Andrew H. Bushnell, Kenton Salisbury 2001-05-08
6110423 High-strength-electric-field pumpable-food-product treatment in a serial-electrode treatment cell Andrew H. Bushnell, Reginald W. Clark, Samuel W. Lloyd 2000-08-29
5925885 Parametric control in pulsed light sterilization of packages and their contents Reginald W. Clark, James C. Lierman, Donald Lander 1999-07-20
5900211 Deactivation of organisms using high-intensity pulsed polychromatic light Reginald W. Clark, Andrew H. Bushnell, Kenton Salisbury 1999-05-04
5786598 Sterilization of packages and their contents using high-intensity, short-duration pulses of incoherent, polychromatic light in a broad spectrum Reginald W. Clark, James C. Lierman, Donald Lander 1998-07-28
5658530 Photocatalyst and pulsed light synergism in deactivation of contaminants 1997-08-19
5514391 Process for reducing levels of microorganisms in pumpable food products using a high pulsed voltage system Andrew H. Bushnell, Reginald W. Clark, Samuel W. Lloyd 1996-05-07
5489442 Prolongation of shelf-life in perishable food products Thomas Ott, Reginald W. Clark 1996-02-06
5447733 Prevention of electrochemical and electrophoretic effects in high-strength-electric-field pumpable-food-product treatment systems Andrew H. Bushnell, Reginald W. Clark, Samuel W. Lloyd 1995-09-05
5393541 Prevention of electrode fouling in high electric field systems for killing microorganisms in food products Andrew H. Bushnell, Reginald W. Clark, Samuel W. Lloyd 1995-02-28
5235905 High pulsed voltage systems for extending the shelf life of pumpable food products Andrew H. Bushnell, R. Wayne Clark, Jay S. Pearlman 1993-08-17
5048404 High pulsed voltage systems for extending the shelf life of pumpable food products Andrew H. Bushnell, R. Wayne Clark 1991-09-17
5034235 Methods for presevation of foodstuffs R. Wayne Clark, John F. Asmus, Jay S. Pearlman, Keith Boyer, Francois Painchaud +1 more 1991-07-23 $432,000
4910942 Methods for aseptic packaging of medical devices R. Wayne Clark, John F. Asmus, Jay S. Pearlman, Keith Boyer, Fraincois Painchaud +1 more 1990-03-27 $361,000
4871559 Methods for preservation of foodstuffs R. Wayne Clark, John F. Asmus, Jay S. Pearlman, Keith Boyer, Fraincois Painchaud +1 more 1989-10-03 $388,000
4838154 Apparatus for extending the shelf life of fluid food products Jay S. Pearlman 1989-06-13 $440,000
4695472 Methods and apparatus for extending the shelf life of fluid food products Jay S. Pearlman 1987-09-22 $375,000