Valves

SUPRAM® SX Valve (Surface & Subsea)

United States Patent Nos: 9885420, 10677360, 11131393, 11549594, 12013046, 12442451

European Patent No: 3292329

European Pending Patent No: EP 211 58788.6

Saudi Arabia Patent Nos: 517390293 (SA 8675), 521422584 (SA 13385)

SUPRAM® DX Valve (Surface & Subsea)

United States Patent Nos: 9453578, 10174848, 11125341, 11644105, 12435797

European Patent No: EP 2976559 B1, 3670977, 3982018

SUPRAM® MCSX Valve

United States Patent Nos: 9885420, 10677360, 11131393, 11549594, 12013046

United States Pending Patent No:18740606

European Patent No: 3292329

European Pending Patent No: EP 211 58788.6

Saudi Arabia Patent Nos: 517390293 (SA 8675), 521422584 (SA 13385)

Actuators

SUPRAM® Failsafe Actuator (Surface & Subsea)

United States Patent Nos: 9841117, 10066757, 10563790, 11067193, 12359743, 11859730

European Patent No: EP 3194819 B1

Chokes

SUPRAM® Smart Choke (Surface & Subsea)

United States Patent No: 10197077

United States Pending Patent No: 63761227

SRI ENERGY MPD Choke

United States Patent No: 11885198, 12338708

Blowout Preventer

Durgam Annular BOP

United States Patent No: 12345114, 12662895

United States Pending Patent No: 19248817, PCTUS2024049442, PCTUS2025040080

Relief Valve

SRI ENERGY Pressure Relief Valve

United States Patent Pending No: 63551478, 12650181

Other Creative Products

SUPRAM® ACE SPOOL

United States Patent No: 11920705, 12359754

Hydraulic Isolation Cylinder-Based System

United States Patent No: 12,560,182

Upcoming Products (Provisional)

1. SUPRAM® Fail-Safe Subsea Actuator with ROV to Open & Close
2. Durgam RAM BOP
3. SUPRAM® FRAC Valve
4. SUPRAM® Swivel
5. Durgam Electric ANNULAR BOP
6. Durgam Electric RAM BOP
7. SUPRAM® MPD Choke

 

Registered Trademarks

SRI ENERGY®
EXCELLENCE IN EXTREMES®
SUPRAM®
SUPRAM® SMARTCHOKE
SMARTCHOKE®
ECOGEN®

Registration Ongoing

Durgam® Blow Out Preventer

This website is provided to comply with patent marking provisions of various jurisdictions including the virtual patent provisions of 35 USC § 287(a) of the United States.

The SRI ENERGY products listed below are covered by one or more patents in the United States and/or other countries.  The patent information is believed to be accurate as of the Last Update.

The content of this list may change from time to time due to events including, but not limited to: filing, publication, issuance, licensing, product changes, expiration, abandonment, and other circumstances.  This list may not be inclusive of all patents covering a specific product in the US or elsewhere; and the absence of a specific product from the list does not indicate that the product is unpatented in the US or elsewhere.

Last updated: March 2026