Introduction of Patent Ltd.

Patent Ltd. was founded in 1989.

Our company mainly fabricates custom made stainless steel vessels for pharmaceutical, food and chemical industry.Beside that we have a serial production of special stainless steel structures for the energetics. To fulfill the needs of the the market, we are continouosly improving our fabrication infrastructure.

Of course we are having the essential licences for pressure vessel fabrications not only for Hungarian but also for the EU market. Our company has been qualified for the production of welded structures, pressure tanks and storage tanks of hazardous substances according to the requirements of DIN EN ISO 3834-2 / MSZ EN ISO 3834-2, 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.

And to be able to coordinate these special requirement we have established and introduced the MSZ EN ISO 9001-2008 quality assurance system.

Patent has relevant domestic and international experience, we are supplying a complex service from the design till the FAT (or till IQ, OQ). Depending the needs of our client the documentation we can supply in English, German or in Russian language.


During the past few years we have installed several special equipment to further improve the quality of our products. Some examples of these equipments: circular welding system, tank polishing and grinding equipment, belt grinder machine (for flat plates/sheets), water cutting machine, machining equipment, with great operation range. Our special pickling and passivating facility We have in Hungary unique pickling and passivating facility, with a huge pickling basin (25 m3).

Our activities

  • Manufacture of pharmaceutical process equipment
  • Manufacture of food process vessels/tanks
  • Manufacture of chemical process vessels
  • Design in AutoCad
  • Serial production:
    – railway equipment
    – parts, gauges for the energetics

Our services, subcontracting

  • water cutting (Resato R-LCM)
  • acid pickling and passivating of stainless steel surfaces
  • grinding, polishing
  • sheet rolling

A few references of ours



FOUNDATION: The company got registered on 18. May 1989 (the headquarters/ invoicing address is: H-6000 Kecskemét, Nádasdy Kálmán u. 25.) Our site is in Cegléd, 60 km South-East from Budapest (address: HU-2700 Cegléd, Bürgeházdűlő)

OWNERS: the company is a 100 % privately owned, Hungarian company

NUMBER OF EMPLOYEES: Currently there are 65 people working here.

PRODUCT RANGE: Patent is an experienced manufacturer of custom made pressure vessels, mixing vessels, technology and storage vessels, fluid beds, and other equipments for the pharmaceutical, food or chemical industry. All of our products are made of stainless steel. We have a significant serial production for the energetics, mainly turbine parts and service vessels.