Henry Lang

US Patent:

6570503, May 27, 2003

Filed:

Apr 21, 2000

Appl. No.:

09/556751

Inventors:

Izaak A. Ulert - Houston TX 77056
Henry Lang - The Woodlands TX 77381

International Classification:

G08B 2300

US Classification:

3405731, 3405736, 3405737

Abstract:

An emergency signal device for use by those with medical conditions having means to detect the occurrence of a change in attitude in conjunction with a shock and an alarm means including audible messages alerting bystanders to the wearers medical problems. The emergency signal device may also include means to activate the alarm means in the event the wearer exits a pre-specified geographic area, or at pre-specified time intervals. The emergency signal device may also include cellular and global positioning satellite means to automatically determine and transmit the location of the emergency signal device to a cellular base station upon activation of the alarm. The emergency signal device may further include means for activating existing emergency telephone notification systems.

US Patent:

7950466, May 31, 2011

Filed:

Feb 5, 2008

Appl. No.:

12/026456

Inventors:

Doyle W. Rodgers - Longview TX, US
Randy P. Nichols - Humble TX, US
Henry Lang - The Woodlands TX, US

Assignee:

Stream-Flo Industries Ltd. - Edmonton

International Classification:

E21B 33/03
E21B 19/00

US Classification:

166379, 166 7513

Abstract:

A wellhead system, connector, and method of assembling a wellhead system. The connector includes a member having a set of left-hand threads and a set of right-hand threads on its interior surface. The connector provides a quick connection to threads on wellhead components such as a tubing head and a casing head.