PATENT has got all the necessary certificates and licences that are necessary for our specialized production: Our operation is controlled by our ISO 9001:2015 quality management system. PATENT has been qualified for the production of welded structures, pressure tanks and storage tanks of hazardous substances according to the requirements of , AD 2000 Merkblatt HPO. We can fabricate according the requirements of 97/23/EK directive’s G; B1+F és B+F modul depending on the classification of the equipment. (PED) We have a licence to fabricate storage tanks for hazardous liquids and melts according to 11/1994 (III. 25.) IKM departmental order, and EN 15085 Railways Manufacturer’s Certificate. Qualifying company: TÜV Rheinland. Our welding technology is continuously supervised by procedure checks and by welder’s examinations according to the requirements of AD2000 Merkblatt HP5/2 and EN 287-1. Qualifying company: TÜV Rheinland Surface finish/roughness analysis and documentation by means of automatic gauges. Manufacturing plan in case of pressure tanks/vessels and checking of documentation by a 3rd party qualifying company (TÜV Rheinland) Permanent checking of controlling, measuring and examining gauges. (ISO 9001:2015) Selection and auditing of suppliers according to ISO 9001:2015 Quality Assurance Plan Checking of incoming goods, keeping records of them, tracking of products, material certifications and traceability. (ISO 9001:2015) Intermediate production control, non-destructive testing of weld seams using a 3rd party accredited laboratory when appropriate. Managing of non-conformity issues, taking corrective and preventive actions. (ISO 9001:2015) Final inspection and pressure tests by a 3rd party qualifying company (TÜV Rheinland) Handling, storing, conservation and forwarding of goods according to ISO 9001:2015.