Jeffrey A. Hallsten — 22 Patents at Hallsten

Jeffrey A. Hallsten has been granted 22 US patents while listed as an inventor at Hallsten. The first was granted in 1994 and the most recent in June 2019. Jeffrey A. Hallsten ranks #189,202 of 4,157,543 US inventors in our database (top 4.6%). Patent records list Jeffrey A. Hallsten in Sacramento, CA, US.

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #	Title	Co-Inventors	Date
10329812	Tank cover access hatch with safety barrier	Roland Wright, Ronald Kuehne	2019-06-25
10227799	Slide lock for hatch on gas containment cover	Roland Wright	2019-03-12
10124291	Trench spanning modules in a biofilter floor assembly	Ronald Kuehne, Gary Powell	2018-11-13
8136312	Fencing floor	—	2012-03-20
7713732	High strength modular support for biofiltration and composting	—	2010-05-11
7422895	Biofilter or compost support assembly	—	2008-09-09
6802157	Tank cover system with substantial gas seal	—	2004-10-12
6255102	Modular support for biofiltration	—	2001-07-03
6151835	Tank cover structure	—	2000-11-28
6012259	Tank cover structure	—	2000-01-11
5941027	Access panel on deck structure	—	1999-08-24
5911662	Tank cover structure	—	1999-06-15
5845594	Dock structure	John Hallsten, Roland Wright	1998-12-08
5689920	Modular containment system for hazardous materials	—	1997-11-25
5617677	Tank or channel cover	—	1997-04-08
5545358	Tank cover structure with aeration distribution	Elena Bailey	1996-08-13
5526620	Tank cover structure with odor exhaust system	—	1996-06-18
5454195	Modular containment system for hazardous materials	—	1995-10-03
D359565	Extruded metal structural connecting member for securing planks to beams in an interlocking field-erectable deck or cover structure	—	1995-06-20
D358671	Extruded metal beam tube for an interlocking field-erectable deck or cover structure	—	1995-05-23
5325646	Tank cover structure	John Hallsten	1994-07-05
D345222	Extruded metal plank for an interlocking field-erectable deck or cover structure	John Hallsten	1994-03-15

Jeffrey A. Hallsten — 22 Patents

Issued Patents All Time

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