Assignee
NIBCO
US118 patents
Top patents by PatentIndex Score
US6161776ADec 19, 2000
Multi-layered, porous mat turf irrigation apparatus and method
NIBCO77 citations95
US5785074AJul 28, 1998
Vented ball valve with lock-out ring
NIBCO67 citations95
US5360036ANov 1, 1994
Vented ball valve with lock-out ring
NIBCO62 citations95
US5786054AJul 28, 1998
Inductive welding of thermoplastic pipe
NIBCO64 citations94
US7887248B2Feb 15, 2011
Swivel attachment and branch line restraint
NIBCO16 citations93
US7654043B2Feb 2, 2010
Retrofit attachment yoke
NIBCO38 citations93
US7467765B2Dec 23, 2008
Sway brace clamp and connector assembly
NIBCO17 citations93
US7455268B2Nov 25, 2008
Hanger for fire sprinkler pipe
NIBCO37 citations93
US7441730B2Oct 28, 2008
Sway brace fitting
NIBCO17 citations93
US7097141B2Aug 29, 2006
Sway brace clamp and connector assembly
NIBCO45 citations93
US6896226B2May 24, 2005
Sway brace clamp and connector assembly
NIBCO36 citations93
US5343191AAug 30, 1994
Pipeline leak detection system
NIBCO69 citations93
US6584894B1Jul 1, 2003
Method and apparatus for marking items of varied shapes
NIBCO25 citations92
US6286765B1Sep 11, 2001
Pop-up spray head irrigation system uniformity enhancement apparatus and method
NIBCO25 citations92
US5943957AAug 31, 1999
Method and device for in-mold pad printing
NIBCO32 citations92
US5427135AJun 27, 1995
Valve lock
NIBCO41 citations91
US9541228B2Jan 10, 2017
Push-to-connect fitting
NIBCO30 citations90
US9777875B2Oct 3, 2017
Clam shell push-to-connect assembly
NIBCO28 citations89
US5740831AApr 21, 1998
Frostproof hydrant seal
NIBCO49 citations87
US7506665B2Mar 24, 2009
Ball valve with interlocking stem
NIBCO22 citations86
US7306010B2Dec 11, 2007
Ball valve with snap-in stem
NIBCO49 citations86
US6216737B1Apr 17, 2001
Flanged three-way universal butterfly valve
NIBCO33 citations86
US4740347AApr 26, 1988
Method of aligning and fixing valve components during valve assembly
NIBCO28 citations86
US4514244AApr 30, 1985
Plastic pipe elements and methods for making same
NIBCO40 citations86
US4457542AJul 3, 1984
Plastic pipe fitting
NIBCO32 citations86
US11408153B1Aug 9, 2022
Multi-port transition tee drain valve
NIBCO7 citations85
US9447906B2Sep 20, 2016
Self-locking push-to-connect insert
NIBCO21 citations85
US8052099B2Nov 8, 2011
Sway brace fitting
NIBCO7 citations84
US7744042B2Jun 29, 2010
Offset hanger
NIBCO16 citations84
US7669806B2Mar 2, 2010
Sway brace fitting
NIBCO9 citations84
US5135700AAug 4, 1992
Method and apparatus for molding a threaded product
NIBCO43 citations84
US9261215B2Feb 16, 2016
Coupling
NIBCO7 citations83
USD729354SMay 12, 2015
Flange
NIBCO10 citations83
USD729355SMay 12, 2015
Flange
NIBCO6 citations83
US5409654AApr 25, 1995
Method of reaction injection molding a valve
NIBCO18 citations81
US4430285AFeb 7, 1984
Method and apparatus for preventing thermal damage to a preformed plug during molding of a housing therearound
NIBCO23 citations81
US10458662B2Oct 29, 2019
Boiler loop system
NIBCO13 citations80
US5503192AApr 2, 1996
Inductive welding of thermoplastic pipe
NIBCO15 citations80
US3940108AFeb 24, 1976
Reinforcement ring and seat for butterfly valve
NIBCO20 citations80
US10240698B2Mar 26, 2019
Crimp connection with one or more crimping elements
NIBCO5 citations79
US10006575B2Jun 26, 2018
Modular push-to-connect assembly
NIBCO11 citations79
US9297477B2Mar 29, 2016
Valve handle lock
NIBCO10 citations79
US10036481B2Jul 31, 2018
Isolation valve with thermoplastic overmolding
NIBCO8 citations78
US7714035B1May 11, 2010
Plumbing manifolds
NIBCO11 citations76
US4240492ADec 23, 1980
Process of forming multi piece vaporizable pattern for foundry castings
NIBCO25 citations75
US7832248B2Nov 16, 2010
Hanger for fire sprinkler pipe
NIBCO6 citations74
US11421791B2Aug 23, 2022
Tee union ball drain valve
NIBCO2 citations73
US6164307ADec 26, 2000
Non-circulating, rapid, hot tap water apparatus and method
NIBCO10 citations73
US5984202ANov 16, 1999
Hybrid low flow and spray irrigation apparatus and method
NIBCO7 citations73
US5882141AMar 16, 1999
Low energy precision flooding irrigation apparatus and method
NIBCO7 citations73
Showing the top 50 of 118 patents by PatentIndex Score.