JJ

John K. Howell, Jr.

OI Oxy Metal Industries: 2 patents #2 of 30Top 7%
PT Praxair Technology: 2 patents #335 of 918Top 40%
SE Sepragen: 2 patents #5 of 19Top 30%
HP Hooker Chemicals & Plastics: 1 patents #31 of 117Top 30%
UC Union Carbide: 1 patents #697 of 1,402Top 50%
📍 North Branch, MI: #6 of 25 inventorsTop 25%
🗺 Michigan: #11,873 of 86,293 inventorsTop 15%
Overall (All Time): #667,101 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
5983667 Cryogenic system for producing ultra-high purity nitrogen Mary Louise Markowski, Thomas John Bergman, Jr., James Philip Natwora, Jr., David R. Thompson 1999-11-16
5901578 Cryogenic rectification system with integral product boiler Kenneth Kai Wong, Michael James Lockett, Dante Patrick Bonaquist, Vijayaraghavan Srinivasan 1999-05-11
5690996 Cross-linked cellulose sponge Alan Sanderson, Rod Dove, Fang Ming 1997-11-25
5492723 Adsorbent medium Alan Sanderson, Rod Dove, Fang Ming 1996-02-20
4957524 Air separation process with improved reboiler liquid cleaning circuit Ravindra F. Pahade, John H. Ziemer 1990-09-18
4289826 Water-borne coating for metal surfaces 1981-09-15
4255305 Coating bath composition and method 1981-03-10
4233197 Water-borne coating for metal surfaces 1980-11-11