IP Library Granted Patent US 6,749,172
Granted Patent Utility
US 6,749,172 · Confirmation No. 8828

ROTATING BLOWOUT PREVENTER WITH INDEPENDENT COOLING CIRCUITS AND THRUST BEARING

Inventor: Joseph Kinder
⬇ PDF
Code Description Pages PDF
2019-12-23 OATH Oath or Declaration filed 9 View
2004-05-03 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-04-25 TRNA Transmittal of New Application 2 View
2003-04-25 SPEC Specification 11 View
2003-04-25 CLM Claims 5 View
2003-04-25 ABST Abstract 1 View
2003-04-25 DRW Drawings-only black and white line drawings 5 View
2003-04-25 OATH Oath or Declaration filed 2 View
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this application's details
Quick Facts
Patent No.
US 6,749,172
App. No.
10/423,105
Filed
2003-04-25
Granted
2004-06-15
Pub. No.
US20030193035A1
Art Unit
3754
PTA
0 days