Page 38: of Marine Technology Magazine (July 2010)

38 MTR July/August 2010

MTR 100 scales tests have been conducted for both devices and additional wave tank tests will be conducted in the latter half of 2010. In January 2009, pursuant to an R&D grant from

NOAA, Resolute and its partners conducted ocean testing of a wave energy converter prototype which produces compressed air for offshore aquaculture cages. The compressed air is stored and used in various oper- ations including feeding, cleaning, cage positioning and harvesting.

Purvis Systems

Middletown, RI

Tel: 401-849-4750 www.purvis.com reachus@ purvis.com

PURVIS Systems Incorporated is a small business founded in 1973 that provides professional engineering and technical services and products to the

Department of Defense and the

Public Safety business sector.

PURVIS has operating divisions in

Middletown, RI; New York City and

Virginia Beach, VA and field offices in Panama City, FL and San Diego,

CA. PURVIS has major contracts with the Naval Undersea Warfare

Center, Newport, RI and the Surface

Warfare Development Group,

Virginia Beach, VA. Primary techni- cal services include program and financial management, system engi- neering; software engineering; in- service engineering, facilities opera- tions and maintenance services; sys- tem prototyping and test and evalua- tion. PURVIS also has a long history providing products and services to public safety agencies such as the Fire

Department of the City of New York (FDNY), where PURVIS provides computer-aided dispatch, voice alarm, emergency notification, inci- dent management and first responder systems.

Polyline Industries

Lot 49 Cutler Road Jandakot WA 6164

PO Box 3406 Success WA 6964

Ph: +61 08 9414 1535

Email: dwilkie@ polyline.com.au

Website: www.polyline.com.au

Polyline Industries is a privately owned plastics fabrication company founded in 1999 by David Wilkie and David Law. The company is based in Jandakot, Western Australia.

Polyline first targeted the under- ground mining industry by develop- ing and introducing a number of unique products, including Polyduct

Ventilation, Plastic Detonator Boxes,

Poly Pump Floats and Shields, and an underground poly pipe welding sys- tem to name a few. Its mining prod- uct range has become standard issue in most underground mines.

Expanding into the marine industry,

Polyline introduced a number of plas- tic commercial boats into the arena, and is currently leading the world in

Hydrex US

Clearwater, FL

Tel: (727) 443-3900

Email: info@ hydrex.us• www.hydrex.us

Director of Public Affairs: Renata St. Lawrence

Operations Manager: William Abbott

The Hydrex headquarters are seated in the Belgian port of Antwerp where the company was founded over 35 years ago. Hydrex also has offices in Tampa (U.S.A), Algeciras (Spain), Mumbai and Visakhapatnam (India) and Port Gentil (Gabon). All offices are ready to mobilize immediately. As part of the Hydrex group they can take advantage of the main office’s experience in the ship- ping and offshore industry. Hydrex LLC is located in the Tampa Bay area and is capable of efficiently servicing vessels and offshore units calling on ports in Canada, North, Central and South America as well as the Caribbean. Saving sig- nificant amounts of time, trouble and expense through on-site underwater work, the offered services range from a detailed inspection of a vessel’s external condition and any required maintenance or cleaning work all the way through to highly technical major repairs. Repairs to thrusters, propellers, rudders, stern tube seals, damaged or corroded hulls and all other underwater services are done by professional teams trained and qualified to carry out complex technical tasks underwater while the vessel is in-situ.