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PROTEGO
Excellence in Safety and Environment
Helmet hanging on a chain

Since 1954

About our Company

Since 1954, PROTEGO® has built and provided devices and tank equipment Equipment Machines, appliances, fixed or mobile devices, control parts and accessories, and warning and prevention systems, whether separate or combined, intended for the generation, transfer, storage, measurement, control, and conversion of energy, and for the processing of materials, which have their own potential source of ignition and may cause an explosion. , now with the help of more than 750 employees worldwide. We are the technology leader within our area of expertise. We provide global services for our customers which include research and development, application-specific engineering, overall protection system design and safety awareness training.

Our customers know they can rely on our research capabilities, engineering expertise and high quality products for the up and downstream oil and gas, petroleum, chemical, pharmaceutical, and bio-energy industries.

PROTEGO® Vision & Mission

Thinking Sustainability – Taken by Enthusiasm

PROTEGO® Vision: Excellence in Safety and Environment

PROTEGO® Mission: A profitable, independent, international family business that, while developing and manufacturing low pressure safety valves and equipment, is the top-notch competence source for technology, quality, availability, services, engineering, and consultancy. Our fields of activities are explosion protection Explosion protection An explosion protection is a flame arrester that prevents flame propagation into plant sections to be protected during explosions. as well as environmental conservation through retaining and relieving pressure Relieving pressure The relieving pressure is the vacuum or overpressure at which the valve reaches the lift required for the mass flow to be discharged. in the exploration, processing and storage of flammable liquids and gases.

PROTEGO® History

70 Years of Innovation – Flexibility – Quality – Performance – Competence – Service for Safety and the Environment

The motto of Robert Leinemann, who founded the company, has no alternative: Good technical ideas and sound workmanship are the basis for the success of a company.

 

PROTEGO® - Three Generations of Family Business

1954 - 1967 Robert Leinemann

1967 - 2000 Hubert Leinemann

1992 - 2013 Christoph Leinemann

Our well-trained staff, and our closeness to customers, are the doors to success. Permanent ongoing development and intensive research are required to obtain a high quality and technically perfect product Product Includes equipment, protective systems, devices, components and combinations of these. . The customer benefits from our results and can rely on well-engineered products and qualified services. Satisfying the customer is the objective.

PROTEGO® in pictures - starting 1954 up to today

Three men in a black-and-white photo stand at drafting tables in a workshop, working on large technical drawings under adjustable lamps.
Sepia-toned portrait of a middle-aged man with short hair, shown in close-up and looking slightly to the side against a plain background.
Vintage workshop scene showing workers beside cylindrical metal components arranged on a bench against a brick wall in an industrial setting.
Vintage black-and-white photo of two men standing beside a large industrial pipe assembly being lifted in a brick courtyard.
Black-and-white photo of several workshop workers gathered around a large worktable, reviewing metal parts and tools in an industrial manufacturing space.
Vintage black-and-white photo of a car parked beside a partially constructed industrial building with exposed concrete framework.
Vintage black-and-white photo of three men installing or inspecting a large industrial valve assembly over a concrete pit outdoors.
Close-up of a vintage Protego sign reading “Braunschweiger Flammenfilter Leinemann & Co.” with a flame logo mounted on an industrial wall.
Vintage German newspaper clipping with the headline “Jetzt in Bienrode – Industriegelände,” announcing a new industrial site and factory building.
Vintage photo of formally dressed men and women raising glasses in a toast beside a table filled with assorted appetizers at a celebratory gathering.
A technician in a workshop carefully measures a circular metal component on a workbench using hand tools and gauges.
Three formally dressed men in suits stand in an industrial workshop, closely examining several cylindrical metal devices placed on the floor in front of them.
Vintage photo of a light-colored industrial building with a “Leinemann & Co.” flame logo sign mounted on the wall, several 1950s-era cars parked in a gravel lot, and tall leafless trees lined up in the background.
Vintage sepia-toned photo of a spacious factory workshop with workers standing at long tables and heavy machinery beneath tall windows and concrete columns.
Two men in suits stand beside a large PROTEGO flame logo display and German signage reading “Sicherheits-Armaturen und Geräte” at an exhibition booth.
Display of various industrial flame arresters and safety devices mounted on stands in front of a Braunschweiger Flammenfilter exhibition backdrop.
Vintage black-and-white photo of an industrial yard with factory buildings, stacked metal pipes, and a company car parked in the center.
Person wearing protective goggles operates a metal lathe in a workshop, illuminated by a bright task lamp.
Engineer in a white lab coat reviews technical drawings with colleagues around a drafting table in a design office.
Two men in suits examine a large circular industrial component in a workshop, one holding a handheld measuring device while a worker stands in the background.
An outdoor industrial test setup with a cylindrical tank and piping is partially enclosed in a clear plastic sheet; flames and smoke are visible at the base, indicating a controlled fire or explosion test.
A professional headshot of an elderly man with white hair and glasses, wearing a light shirt, tie, and brown blazer, smiling slightly against a blue studio background.
An engineer reviews 3D CAD models of a red mechanical component on dual computer monitors while taking notes at a desk.
Large industrial workshop with overhead cranes and metal components arranged on pallets.
Modern industrial building complex with glass-fronted offices and a company sign at the entrance under a clear sky.
Trade show booth with PROTEGO branding, industrial valves on display, and a red carpet aisle.
Modern glass-fronted office building illuminated at night with parked cars outside.
Large horizontal industrial pressure vessel inside a factory hall, equipped with multiple flanged nozzles, valves on pallets, and an elevated service platform.
Exterior view of the Protego Technology Center, a modern industrial office building with signage, fenced parking, and a blue sky overhead.