Quick release blowout preventer bonnet
A Standard patent application filed on 03 May 2002 credited to Berckenhoff, Michael Wayne ; Hemphill, Edward Ryan

Details

Application number :

2002305377  

Application type :

Standard  

Application status :

LAPSED  

Under opposition :

No  

Proceeding type :

 

Invention title :

Quick release blowout preventer bonnet  

Inventor :

Berckenhoff, Michael Wayne ; Hemphill, Edward Ryan  

Agent name :

 

Address for service :

 

Filing date :

03 May 2002  

Associated companies :

 

Applicant name :

HYDRIL COMPANY  

Applicant address :

3300 North Sam Houston Parkway East, Houston, TX 77032  

Old name :

 

Original Source :

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