P

Inventor

HALLSTEN JEFFREY A

US21 patents
⚠️ This page may combine multiple inventors who share the name “HALLSTEN JEFFREY A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HALLSTEN CORP

18 patents
US5454195AOct 3, 1995

Modular containment system for hazardous materials

HALLSTEN CORP124 citations97
US5689920ANov 25, 1997

Modular containment system for hazardous materials

HALLSTEN CORP55 citations96
US6255102B1Jul 3, 2001

Modular support for biofiltration

HALLSTEN CORP29 citations92
US5941027AAug 24, 1999

Access panel on deck structure

HALLSTEN CORP45 citations92
US5911662AJun 15, 1999

Tank cover structure

HALLSTEN CORP25 citations92
US5617677AApr 8, 1997

Tank or channel cover

HALLSTEN CORP23 citations92
US5526620AJun 18, 1996

Tank cover structure with odor exhaust system

HALLSTEN CORP39 citations92
US5845594ADec 8, 1998

Dock structure

HALLSTEN CORP47 citations87
US6802157B2Oct 12, 2004

Tank cover system with substantial gas seal

HALLSTEN CORP13 citations84
US6151835ANov 28, 2000

Tank cover structure

HALLSTEN CORP8 citations73
US6012259AJan 11, 2000

Tank cover structure

HALLSTEN CORP7 citations73
USD359565SJun 20, 1995

Extruded metal structural connecting member for securing planks to beams in an interlocking field-erectable deck or cover structure

HALLSTEN CORP8 citations73
USD358671SMay 23, 1995

Extruded metal beam tube for an interlocking field-erectable deck or cover structure

HALLSTEN CORP6 citations73
US10329812B1Jun 25, 2019

Tank cover access hatch with safety barrier

HALLSTEN CORP4 citations67
US7713732B1May 11, 2010

High strength modular support for biofiltration and composting

HALLSTEN CORP3 citations62
US5545358AAug 13, 1996

Tank cover structure with aeration distribution

HALLSTEN CORP2 citations61
US10227799B1Mar 12, 2019

Slide lock for hatch on gas containment cover

HALLSTEN CORP1 citations56
US10124291B1Nov 13, 2018

Trench spanning modules in a biofilter floor assembly

HALLSTEN CORP1 citations50

HALLSTEN SUPPLY CO

2 patents

HALLSTEN JEFFREY A

1 patent