H.E.R.C. Products Incorporated
Patent Owner
Stats
- 6 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Nov 15, 2005 most recent publication
Details
- 6 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 389 Total Citation Count
- Feb 03, 1988 Earliest Filing
- 12 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
| Upgrade to the Professional Level to View Top Patents for this Owner. Learn More |
Recent Publications
- No Recent Publications to Display
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
5800629 Pipe system cleaning and in-line treatment of spent cleaning solutionMar 06, 97Sep 01, 98[B08B, C23G]
5527395 Method of cleaning and maintaining potable water distribution pipe systems with a heated cleaning solutionJun 20, 94Jun 18, 96[B08B, C23G]
5451335 1:1 soap compositions of acids and amines or ammonia useful in removal and prevention of scaleJun 15, 94Sep 19, 95[C02F]
5360488 Method of cleaning and maintaining water distribution pipe systemsMar 23, 93Nov 01, 94[B08B]
5322635 Soap compositions of carboxylic acids and amines useful in removal and prevention of scaleMay 16, 91Jun 21, 94[C02F]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
6345632 Method of cleaning and passivating a fire protection systemExpiredFeb 28, 00Feb 12, 02[B08B]
5895763 Controlled carbonate removal from water conduit systemsExpiredApr 16, 97Apr 20, 99[B08B, G01N, C23G]
5885364 Method of cleaning and maintaining potable water distribution pipe systemsExpiredJul 05, 96Mar 23, 99[B08B]
5494527 Method of cleaning and maintaining hot water heatersExpiredApr 21, 94Feb 27, 96[B08B, C23G, C02F]
5492629 Method of cleaning scale and stains in water systems and related equipmentExpiredOct 12, 93Feb 20, 96[C02F]
5342510 Water control system using oxidation reduction potential sensingExpiredJul 30, 93Aug 30, 94[B01D]
5332494 Water control system using oxidation reduction potential sensingExpiredJul 30, 93Jul 26, 94[B01D]
5268092 Two water control system using oxidation reduction potential sensingExpiredMay 17, 93Dec 07, 93[B01D]
4797220 Descaling and anti-oxidizing composition and process thereforExpiredFeb 03, 88Jan 10, 89[C11D]
Top Inventors for This Owner
| Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More |
We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!
We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.