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STINGER WELLHEAD PROT INC

Overview
  • Total Patents
    82
About

STINGER WELLHEAD PROT INC has a total of 82 patent applications. Its first patent ever was published in 2003. It filed its patents most often in United States and Canada. Its main competitors in its focus markets civil engineering, mechanical elements and machines are VARCO SHAFFER INC, OIL CT TOOL COMPANY and ENERGY EQUIPMENT CORP.

Patent filings in countries

World map showing STINGER WELLHEAD PROT INCs patent filings in countries
# Country Total Patents
#1 United States 63
#2 Canada 19

Patent filings per year

Chart showing STINGER WELLHEAD PROT INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Mcguire Bob 56
#2 Dallas L Murray 46
#3 Artherholt Danny Lee 16
#4 Hickie Barton E 6
#5 Artherholt Danny L 4
#6 Rosenhauch Irwin 3
#7 Young Joel H 1
#8 Arherholt Danny L 1
#9 Mcgee Richard Harvey 1
#10 Dallas Murray L 1

Latest patents

Publication Filing date Title
CA2759328A1 Frac head with sacrificial wash ring
CA2741907A1 Controlled aperture ball drop
CA2739411A1 Horizontal frac ball injector
USRE42772E Large particulate removal system
CA2627027A1 Erosion resistant frac head
US2009236090A1 Erosion resistant frac head
US2009160186A1 Threaded union for tubulars used in high-pressure fluid applications
CA2615294A1 Threaded union for tubulars used in high-pressure fluid applications
US2009145593A1 Snubber spool with detachable base plates
CA2596019A1 Casing mandrel for facilitating well completion, re-completion or workover
US2007267198A1 Casing mandrel for facilitating well completion, re-completion or workover
CA2595706A1 Cup tool, cup tool cup and method of using the cup tool
US2008011489A1 Cup tool, cup tool cup and method of using the cup tool
CA2593629A1 Fixed-point packoff element with primary seal test capability
US2008277120A1 Retrivevable frac mandrel and well control stack to facilitate well completion, re-completion or workover and method of use
CA2585321A1 Multipart frac head with replaceable components
US2008257540A1 Multipart frac head with replaceable components
US2007107910A1 Hybrid wellhead system and method of use
CA2571913A1 Configurable wellhead system with permanent fracturing spool and method of use
US2008087439A1 Configurable wellhead system with permanent fracturing spool and method of use