Invention Grant
- Patent Title: Valve assemblies with internal protective elements and methods of using same
- Patent Title (中): 具有内部保护元件的阀组件及其使用方法
-
Application No.: US14874705Application Date: 2015-10-05
-
Publication No.: US09581261B2Publication Date: 2017-02-28
- Inventor: Louis J Jannotta
- Applicant: L&J Engineering, Inc.
- Applicant Address: US IL Hillside
- Assignee: L&J ENGINEERING, INC.
- Current Assignee: L&J ENGINEERING, INC.
- Current Assignee Address: US IL Hillside
- Agency: Stout, Uxa & Buyan, LLP
- Agent Frank L. Uxa
- Main IPC: F16K27/02
- IPC: F16K27/02 ; F16K1/02 ; F16K1/32 ; F16K31/50 ; E03B9/14 ; E03B9/02 ; E03B7/12 ; F16K1/44
Abstract:
Valve assemblies which comprise a valve housing; an inner valve element; an outer valve element spaced apart from the inner valve element; a valve stem on which both the inner valve element and the outer valve element are located; a portion of the valve stem between the inner valve element and the outer valve element is threaded; and a protective element located within the valve housing and covering the threaded portion of the valve stem.
Public/Granted literature
- US20160161011A1 VALVE ASSEMBLIES WITH INTERNAL PROTECTIVE ELEMENTS AND METHODS OF USING SAME Public/Granted day:2016-06-09
Information query
