Inventor

MANNELLA EUGENE J

US7 patents

⚠️ This page may combine multiple inventors who share the name “MANNELLA EUGENE J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GB CONNECTIONS LLC

2 patents

US10822885B2Nov 3, 2020

Reduced drag casing connection

GB CONNECTIONS LLC1 citations55

US12492761B2Dec 9, 2025

Coupled connection for tight clearance casing strings in oil and gas wells

GB CONNECTIONS LLC0 citations45

PARKER HANNIFIN CORP

1 patent

US6695357B2Feb 24, 2004

Threaded pipe connection having a retainer gasket with pressure relief vents

PARKER HANNIFIN CORP52 citations90

G B TUBULARS INC

1 patent

US6550822B2Apr 22, 2003

Threaded coupling with water exclusion seal system

G B TUBULARS INC43 citations88

GEARY GEORGE B

1 patent

US8075023B2Dec 13, 2011

Coupling for drilling-with-casing operations

GEARY GEORGE B7 citations80

OTTEN GREGORY K

1 patent

US8882066B2Nov 11, 2014

Buoyant clamp for tubular members

OTTEN GREGORY K18 citations79

GB TUBULARS INC

1 patent

US7347459B2Mar 25, 2008

Coupling for drilling-with-casing operations

GB TUBULARS INC15 citations77