Inventor · disambiguated record
Wayne C. Hazen
Also filed as: HAZEN WAYNE C
12 granted patents·3 pending applications·222 citations·filing 1978–2003
92Inventor score
Files withENVIRONMENTAL PROJECTS INC8HAZEN RESEARCH3TECHNOLOGY MANAGEMENT ADVISORS2CYPRUS METALLURG PROCESS1RESOURCE TECHN ASS1
Top patents by PatentIndex Score
15 records- 0179US6013382AApparatus and method for inhibiting the leaching of lead in waterTECHNOLOGY MANAGEMENT ADVISORS·Filed 1997·Granted Jan 11, 2000·44 cites·32 claims
- 0275US5544859AApparatus and method for inhibiting the leaching of lead in waterHAZEN RESEARCH·Filed 1994·Granted Aug 13, 1996·31 cites·17 claims
- 0371US6464736B1Recrystallization processENVIRONMENTAL PROJECTS INC·Filed 2000·Granted Oct 15, 2002·7 cites·37 claims
- 0470US5736113AMethod for beneficiation of tronaENVIRONMENTAL PROJECTS INC·Filed 1996·Granted Apr 7, 1998·18 cites·26 claims
- 0569US5911959AMethod for purification and production of saline minerals from tronaENVIRONMENTAL PROJECTS INC·Filed 1997·Granted Jun 15, 1999·24 cites·19 claims
- 0669US4606764AMethod of recovering metals from ores using a formate reducing agentRESOURCE TECHN ASS·Filed 1985·Granted Aug 19, 1986·16 cites·15 claims
- 0767US5660735AMethod for removing metals from waste solutionsHAZEN RESEARCH·Filed 1996·Granted Aug 26, 1997·30 cites·37 claims
- 0865US6479025B2Process for the production of sodium carbonateENVIRONMENTAL PROJECTS INC·Filed 1998·Granted Nov 12, 2002·15 cites·23 claims
- 0960US5536416AMethod for removing metals from a solutionHAZEN RESEARCH·Filed 1994·Granted Jul 16, 1996·17 cites·26 claims
- 1049US2003215379A1Calcining apparatus and process of useENVIRONMENTAL PROJECTS INC·Filed 2003·Application pending·0 cites
- 1148US6284005B1Sodium carbonate recrystallizationENVIRONMENTAL PROJECTS INC·Filed 1999·Granted Sep 4, 2001·7 cites·46 claims
- 1248US2003091486A1Calcining apparatus and process of useENVIRONMENTAL PROJECTS INC·Filed 2002·Application pending·0 cites
- 1345US5632825AApparatus and method for inhibiting the leaching of lead in waterTECHNOLOGY MANAGEMENT ADVISORS·Filed 1996·Granted May 27, 1997·10 cites·12 claims
- 1445US2003084547A1Sodium carbonate recrystallizationENVIRONMENTAL PROJECTS INC·Filed 2001·Application pending·0 cites
- 1537US4192676AHigh temperature reduction of copper saltsCYPRUS METALLURG PROCESS·Filed 1978·Granted Mar 11, 1980·3 cites·30 claims
Join the waitlist — get patent alerts
Get an alert when Wayne C. Hazen files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →