Inventor

HAYES NORRIS

US7 patents

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

(unassigned)

2 patents

US6883280B2Apr 26, 2005

Integrated post-tension anchor

20 citations89

US6588193B2Jul 8, 2003

Corrosion resistant tendon system

15 citations81

PREC HAYES INTERNATIONAL INC

2 patents

US10508447B2Dec 17, 2019

Sealing cover for concrete anchor

PREC HAYES INTERNATIONAL INC7 citations77

US10378210B2Aug 13, 2019

Concrete tendon gripping and sealing apparatus and method

PREC HAYES INTERNATIONAL INC6 citations70

HAYES SPECIALTY MACHINING LTD

1 patent

US7174685B2Feb 13, 2007

Pocket former for post-tension anchor

HAYES SPECIALTY MACHINING LTD36 citations90

HAYES INTERESTS INC

1 patent

US7275347B2Oct 2, 2007

Post-tension anchor seal cap

HAYES INTERESTS INC42 citations87

PRECISION-HAYES INT INC

1 patent

US10745916B2Aug 18, 2020

Intermediate coupler for concrete reinforcement

PRECISION-HAYES INT INC5 citations64