1
Berend Heijenga: Dispensing container for a liquid or paste-like substance. HSM, Larson and Taylor, May 1, 1990: US04921137 (100 worldwide citation)

A dispensing container for a liquid or paste-like substance, consisting of two sheets of foil material, the edges of which are interconnected by means of a liquid-tight connecting seam, enclosing therebetween a filling space, the interior of the filling space communicating with a tube fixed in the c ...


2
Berend Heijenga: Container for a small quantity of milk, cream or the like. H S M, Larson and Taylor, September 5, 1989: US04863036 (70 worldwide citation)

A container for a small quantity of milk, cream or the like, comprising a tub-shaped filling cavity (1) with a flat circumferential stiff rim (4) and a cover sheet (5) thereto by means of a sealing seam, said flat rim and cover sheet at one side being extended beyond the connecting seam (6), for for ...


3
Berend Heijenga, Hubertus E Hilbrink, Henri F Klaij: Detector for detecting air components. Nederlandse Centrale Organizatie voor Toegepast Natuurwetenschappelijk Onderzoek, Beehler Pavitt Siegemund Jagger & Martella, January 31, 1984: US04428907 (20 worldwide citation)

The invention provides a detector for detecting air components, e.g. contaminations, and in particular noxious or poisonous contaminations, which device comprises a housing in which an air pervious carrier containing a first reagent is arranged, this detector being adapted to draw air to be tested t ...


4
Eric J A de Leur, Berend Heijenga: Daniel C McKown, August 13, 1985: US04534353 (11 worldwide citation)

An accessory for counteracting the consequences of vesical incontinency with males, comprising an annular tensioning means (8, 9) adapted to be tensioned around the penis (1) of the user, and further comprising a pressure element (7) with a rounded and relatively stiff pressing surface (10) having a ...