WHISPER TECH LIMITED
Patent Owner
Stats
- 1 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Jul 15, 2010 most recent publication
Details
- 1 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 83 Total Citation Count
- Nov 06, 1995 Earliest Filing
- 5 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
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Recent Patents
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Title
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Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
2010/0176,591 RECIPROCATING PISTON MACHINE WITH OSCILLATING BALANCING ROTORSAbandonedAug 09, 07Jul 15, 10[H02K, F01K, F04B, F02B, F16F]
2010/0132,354 LINEAR-ROTARY MOTION CONVERSION MECHANISMAbandonedDec 12, 07Jun 03, 10[F01B, F16H, F02G]
6525431 Co-generation system employing a stirling engineExpiredAug 07, 00Feb 25, 03[F01K, F02C, B60L]
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