Assignee
HALLSTEN CORP
US·19 granted patents·446 citations·filing 1993–2017
Top patents by PatentIndex Score
19 records- 0195US5454195AModular containment system for hazardous materialsHALLSTEN CORP·Filed 1993·Granted Oct 3, 1995·124 cites·10 claims
- 0286US5845594ADock structureHALLSTEN CORP·Filed 1997·Granted Dec 8, 1998·47 cites·10 claims
- 0383US5526620ATank cover structure with odor exhaust systemHALLSTEN CORP·Filed 1995·Granted Jun 18, 1996·39 cites·3 claims
- 0481US5689920AModular containment system for hazardous materialsHALLSTEN CORP·Filed 1995·Granted Nov 25, 1997·55 cites·2 claims
- 0580US6255102B1Modular support for biofiltrationHALLSTEN CORP·Filed 2000·Granted Jul 3, 2001·29 cites·30 claims
- 0675US5941027AAccess panel on deck structureHALLSTEN CORP·Filed 1997·Granted Aug 24, 1999·45 cites·3 claims
- 0767US6802157B2Tank cover system with substantial gas sealHALLSTEN CORP·Filed 2002·Granted Oct 12, 2004·13 cites·7 claims
- 0866US10329812B1Tank cover access hatch with safety barrierHALLSTEN CORP·Filed 2017·Granted Jun 25, 2019·4 cites·17 claims
- 0966US7422895B1Biofilter or compost support assemblyHALLSTEN CORP·Filed 2004·Granted Sep 9, 2008·6 cites·15 claims
- 1064US7713732B1High strength modular support for biofiltration and compostingHALLSTEN CORP·Filed 2004·Granted May 11, 2010·3 cites·13 claims
- 1163US5911662ATank cover structureHALLSTEN CORP·Filed 1997·Granted Jun 15, 1999·25 cites·9 claims
- 1257US5617677ATank or channel coverHALLSTEN CORP·Filed 1994·Granted Apr 8, 1997·23 cites·10 claims
- 1356US10227799B1Slide lock for hatch on gas containment coverHALLSTEN CORP·Filed 2016·Granted Mar 12, 2019·1 cites·6 claims
- 1456USD359565SExtruded metal structural connecting member for securing planks to beams in an interlocking field-erectable deck or cover structureHALLSTEN CORP·Filed 1993·Granted Jun 20, 1995·8 cites·1 claims
- 1552US10124291B1Trench spanning modules in a biofilter floor assemblyHALLSTEN CORP·Filed 2016·Granted Nov 13, 2018·1 cites·9 claims
- 1649USD358671SExtruded metal beam tube for an interlocking field-erectable deck or cover structureHALLSTEN CORP·Filed 1993·Granted May 23, 1995·6 cites·1 claims
- 1736US6012259ATank cover structureHALLSTEN CORP·Filed 1997·Granted Jan 11, 2000·7 cites·30 claims
- 1834US6151835ATank cover structureHALLSTEN CORP·Filed 1999·Granted Nov 28, 2000·8 cites·4 claims
- 1929US5545358ATank cover structure with aeration distributionHALLSTEN CORP·Filed 1995·Granted Aug 13, 1996·2 cites·12 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →