PERFTECH, INC.
Patent Owner
Stats
- 22 US PATENTS IN FORCE
- 2 US APPLICATIONS PENDING
- Dec 14, 2017 most recent publication
Details
- 22 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 434 Total Citation Count
- Dec 18, 2001 Earliest Filing
- 1 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
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Recent Publications
Publication #
Title
Filing Date
Pub Date
Intl Class
2017/0357,727 METHOD AND APPARATUS OF PROCESSING INVALID USER INPUT SEARCH INFORMATIONAug 08, 17Dec 14, 17[H04L, G06F]
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
9838402 System, method and computer readable medium for determining users of an internet serviceOct 06, 14Dec 05, 17[H04L, G06F]
9742786 System, method and computer readable medium for processing unsolicited electronic mailMar 29, 16Aug 22, 17[H04L, G06F]
9727658 Method and apparatus of processing invalid user input search informationAug 11, 14Aug 08, 17[H04L, G06F]
9584581 Method and system for providing watermark to subscribersMar 30, 15Feb 28, 17[H04L, H04N, G06F]
9300613 System, method and computer readable medium for processing unsolicited electronic mailMar 30, 15Mar 29, 16[H04L, G06F]
9231961 System, method and computer readable medium for message authentication to subscribers of an internet service providerAug 12, 13Jan 05, 16[H04L, G06F]
9002989 Method and system for providing watermark to subscribersJul 08, 13Apr 07, 15[H04L, H04N, G06F]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
2005/0266,129 Packaging material and method for perishable food productAbandonedMay 27, 04Dec 01, 05[C12H]
Top Inventors for This Owner
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