WIEDEMANN KG CARL has a total of 12 patent applications. Its first patent ever was published in 1972. It filed its patents most often in Germany. Its main competitors in its focus markets civil engineering are HOKU CAST KK, TELLER HANS and MA QINGYOU.
Draining box in soil with inlet cover spray - has inlet cover connected to disinfectant supply for spraying inner walls
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Renewable pipe joint sealing for drain in floor - has sealing rings pushed onto pipes inside housing between pressure pieces
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Floor drainage distribution box - has pipe arrangement to allow checking and renewing of seals
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Draining gulley for industrial use - has two inlets to drain floor and plant with separate smell traps and dirt collectors
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CEILING DRAIN WITH ADHESIVE EDGE AND PROTECTED SEWAGE DRAIN OPENINGS
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Draining gulley unit for surface draining - has silt collector and smell trap removed for cleaning as unit
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Clamping flange for drain downpipe - has rubber sealing rings compressed around pipe by ring plate
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Floor type fluid run off cabinet - has subdivided chamber and distributor cover to permit entry and exit of fluid through one chamber and outlet pipe only
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Factory floor drain trough - using stainless steel slotted pipe inset in floor optionally together with flushing device
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BASEMENT DRAIN WITH ODOR TRAP, DIRT COLLECTION BOX WITH FILTER AND INSTALLED PRESSURE PUMP
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CELLAR DRAIN WITH ODOR TRAP, DIRT COLLECTION BOX AND FILTER WITH DOUBLE BACKFLOW LATCH
