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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Toelke; Lester W.
Address:
Bellville, TX
No. of patents:
4
Patents:












Patent Number Title Of Patent Date Issued
5065617 Multiple diameter pipe test end closure November 19, 1991
A test head for enclosing pipe ends to test any diameter pipe within a plurality of pipe diameters in a preselected range which test head has a seal ring assembly which has a resilient body with a counterbore of a larger volume than non-resilient segments in the counterbore and mounted
4733888 Protector for threaded connections March 29, 1988
An improved pipe coupling protector including a thread protector with sleeve is disclosed. Moreover, a method of installation is also set forth. When manufactured, the sleeve is sized to fit over the threads on the exterior of a pipe end and has a surrounding end shoulder with a tran
4646561 Method and apparatus for hydrostatic testing of tubular member March 3, 1987
Method and apparatus to hydrostatically test tubular members including a housing to enclose each end of the tubular member, which housing supports a unitary seal-lock ring assembly, the assembly having an annular resilient body with non-resilient L-shaped segments adjacent at least one
4646559 Apparatus and method to test a single connection between a pipe coupling and a single pipe end c March 3, 1987
A body is provided with longitudinally spaced first and second annular grooves for receiving first and second longitudinally spaced annularly spaced seal and lock ring segment assemblies therein to sealingly engage and lock with a pipe coupling and a single pipe end engaged therewith for










 
 
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