Company Badge
USPTO Data Jan 1 1976 - Sep 29 2026
1 Patents
#556 in Fremont, CA
#29,016 in California
#136,675 in US
Purfresh, Inc.
Forward Citations = 0
5 inventors:
Fremont, CA, United States of America
Purfresh, Inc.
% Expired Patents = 100.0
EPO Patents = 1
Trademarks = 1
Forward Citations = 0
Loading Chart...
Loading Chart...
5 inventors (with patents filed for the assignee):
Timothy P Knight (1 out of 3 patents)
Michael Weber (1 out of 8 patents)
Thomas Justmann (1 out of 1 patent)
4. Ray Hoobler (1 out of 1 patent)
5. David Cope (1 out of 1 patent)
6. Paul H Dick (5 patents)
7. Howard Wang (1 patent)
8. Andrew Volondin (0 patent)
1 patent:
Please report any incorrect information to [email protected]
Please report any incorrect information to [email protected]
1 patent (EPO):
Please report any incorrect information to [email protected]