Assignee
NAT RECOVERY TECH INC
US·17 granted patents·913 citations·filing 1990–2002
Top patents by PatentIndex Score
17 records- 0196US5260576AMethod and apparatus for the separation of materials using penetrating electromagnetic radiationNAT RECOVERY TECH INC·Filed 1990·Granted Nov 9, 1993·131 cites·29 claims
- 0295US6313423B1Application of Raman spectroscopy to identification and sorting of post-consumer plastics for recyclingNAT RECOVERY TECH INC·Filed 1997·Granted Nov 6, 2001·92 cites·23 claims
- 0393US6124560ATeleoperated robotic sorting systemNAT RECOVERY TECH INC·Filed 1997·Granted Sep 26, 2000·168 cites·51 claims
- 0493US5738224AMethod and apparatus for the separation of materials using penetrating electromagnetic radiationNAT RECOVERY TECH INC·Filed 1996·Granted Apr 14, 1998·82 cites·6 claims
- 0591US7012256B1Computer assisted bag screening systemNAT RECOVERY TECH INC·Filed 2002·Granted Mar 14, 2006·67 cites·28 claims
- 0688US5555984AAutomated glass and plastic refuse sorterNAT RECOVERY TECH INC·Filed 1993·Granted Sep 17, 1996·89 cites·10 claims
- 0788US5339962AMethod and apparatus for sorting materials using electromagnetic sensingNAT RECOVERY TECH INC·Filed 1991·Granted Aug 23, 1994·48 cites·35 claims
- 0888US4977837AProcess and apparatus for reducing heavy metal toxicity in fly ash from solid waste incinerationNAT RECOVERY TECH INC·Filed 1990·Granted Dec 18, 1990·60 cites·17 claims
- 0984US5370234ARotary materials separator and method of separating materialsNAT RECOVERY TECH INC·Filed 1991·Granted Dec 6, 1994·45 cites·12 claims
- 1083USRE36537EMethod and apparatus for sorting materials using electromagnetic sensingNAT RECOVERY TECH INC·Filed 1997·Granted Feb 1, 2000·54 cites·36 claims
- 1178US6610981B2Method and apparatus for near-infrared sorting of recycled plastic wasteNAT RECOVERY TECH INC·Filed 2001·Granted Aug 26, 2003·22 cites·30 claims
- 1270US6855901B1Process and apparatus for spectroscopic identification and sorting of barrier materialsNAT RECOVERY TECH INC·Filed 2002·Granted Feb 15, 2005·18 cites·15 claims
- 1349US5638959ARotary materials separatorNAT RECOVERY TECH INC·Filed 1994·Granted Jun 17, 1997·14 cites·19 claims
- 1449US5518124AMethod and apparatus for the separation of materials using penetrating electromagnetic radiationNAT RECOVERY TECH INC·Filed 1994·Granted May 21, 1996·9 cites·3 claims
- 1538US5622471AMethod and apparatus for opening and emptying bags containing recyclable materialsNAT RECOVERY TECH INC·Filed 1995·Granted Apr 22, 1997·6 cites·2 claims
- 1635USRE40394ETeleoperated robotic sorting systemNAT RECOVERY TECH INC·Filed 1997·Granted Jun 24, 2008·4 cites·59 claims
- 1734US5419670AMethod and apparatus for opening and emptying bags containing recyclable materialsNAT RECOVERY TECH INC·Filed 1993·Granted May 30, 1995·4 cites·3 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →