WATKINS MANUFACTURING CORPORATION
Patent Owner
Stats
- 169 US PATENTS IN FORCE
- 1 US APPLICATIONS PENDING
- Feb 20, 2018 most recent publication
Details
- 169 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 4,110 Total Citation Count
- Jan 08, 1979 Earliest Filing
- 54 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
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Top Patents (by citation)
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Recent Publications
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Recent Patents
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Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
2015/0192,523 Chlorine Detection and pH Sensing Methods and ApparatusAbandonedFeb 10, 15Jul 09, 15[C25B, G01N]
2015/0068,914 Chlorine Detection and pH Sensing Methods and ApparatusAbandonedSep 06, 13Mar 12, 15[C25B, G01N]
8212222 Spa chlorine measurement via temperature shift UV spectrometryExpiredFeb 18, 09Jul 03, 12[G01N]
2009/0260,150 Apparatus Facilitating Application of Customized Portable Spa Surrounds by End UsersAbandonedAug 04, 08Oct 22, 09[A47K]
2006/0124,535 Water filtration system for high flow rate water tub circulation systemAbandonedDec 10, 04Jun 15, 06[B01D]
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