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Hoffmann; Jurgen
Hardegsen-Ellierode, DE
No. of patents:

Patent Number Title Of Patent Date Issued
5102545 Tubular filter element April 7, 1992
A tubular filter element consisting of a filter leaf which is pleated and connected at both its fold ends to a hollow cylindrical filter body (F) both of whose front surfaces are sealed by end caps (11, 13), one end cap (13) of which opens, as a connection cap, the hollow core (10') for
4911842 Wound filter module March 27, 1990
In a wound filter module with an areal or flat filter band with draining support and spacing band wound around a draining means, central hollow core (K), whose longitudinal edges are enclosed in a wound state in a sealing element (4,6,4',6'), the filter band and the spacing band (1,3)
4909937 Integral filters for separating fluid components and housing for them March 20, 1990
In an integral filter (F) for separating fluid components which filter can be enclosed in a surrounding housing (1,2) with fluid connections (A1 l to A3, 10) the permeable tube jacket of which filter consists of several tubular filter elements (K1, K2) with different filter qualities who
4678578 Flat filter element for the filtration of fluids July 7, 1987
A replaceable, rectangular, flat, selectively permeable filter element (1) for the framelike section (27, 30) of a sheet filter device (20) consisting of metal and/or hard plastic for the filtration of fluids (liquid and/or gas) can be clamped in by its edge in a leak-proof manner an

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