Darrell Kirk Richards

US Patent:

6367508, Apr 9, 2002

Filed:

Mar 5, 2001

Appl. No.:

09/799163

Inventors:

Darrell R. Richards - Houston TX
Colin Rush - Market Harborough, GB
William Thornton - Suhlendorf, DE
Henry Campbell King - Houston TX
Vincent Danko Grbic - Houston TX
Edgar Von Rosenberg - Houston TX

Assignee:

Drilltec Patents Technologies Company, Inc. - Houston TX

International Classification:

B65D 5900

US Classification:

138 96T, 138 96 R, 138 98

Abstract:

A thread protector for protecting threads on the end of a pipe includes a base portion, a threaded portion extending axially from a first end of the base portion and threadably engageable with the pipe and an elongated annular bumper extending axially from a second end of the base portion. The elongated bumper has an average length and width such that the ratio of the length to the width is at least 2. The base and elongated bumper have a total length of at least two inches.

US Patent:

61962708, Mar 6, 2001

Filed:

May 20, 1999

Appl. No.:

9/315865

Inventors:

Darrell R. Richards - Houston TX
Colin Rush - Market Harborough, GB
William Thornton - Suhlendorf, DE
Henry Campbell King - Houston TX
Vincent Danko Grbic - Houston TX
Edgar Von Rosenberg - Houston TX

Assignee:

Drilltec Patents & Technologies Company, Inc. - Houston TX

International Classification:

B65D 5900

US Classification:

138 96T

Abstract:

A thread protector for protecting threads on the end of a pipe includes a base portion, a threaded portion extending axially from a first end of the base portion and threadably engageable with the pipe and an elongated annular bumper extending axially from a second end of the base portion. The elongated bumper has an average length and width such that the ratio of the length to the width is at least 2. The base and elongated bumper have a total length of at least two inches.