1
Raymond Peltier: Lightweight material comprising Portland cement, lime, sand, a colloid and an air entraining agent. John J Dennemeyer, January 23, 1979: US04135940 (55 worldwide citation)

The present invention relates to a lightweight material comprising Portland cement, a colloid, an air entraining compound and lime. This material is manufactured by effecting a vigorous mixing during which high proportions of air are taken up in the mixture to obtain a controlled and predetermined d ...


2
Ottar Torolf Welten: Nursing bottle. John J Dennemeyer, March 8, 1977: US04010861 (34 worldwide citation)

A nursing bottle consisting of a cylindrical tube of transparent material has slightly enlarged end portions on which a suction nipple is secured at one enlarged end by means of a threaded cap and a one-way valve is secured by means of a similar cap at the other end. A slidable piston is designed an ...


3
Hans Arne V Johansson: Patient supporting table. John J Dennemeyer, January 11, 1977: US04002330 (28 worldwide citation)

A supporting table for a recumbent patient has a table plate provided at least along the side edges, and preferably also at the head and foot edges, with a gate member which is pivotally mounted so that it can be fixed in an up position. In this position the gate members not only keep a patient from ...


4
Hans A Johansson: Shower-bath tub. John J Dennemeyer, September 12, 1978: US04112524 (25 worldwide citation)

A shower bath tub has a bottom portion with a water outlet, and an upright portion on this bottom portion provided with a top which has a funnel shaped collecting bowl extending down into a space where it is connected to a discharge conduit. A toilet seat is disposed above the collecting bowl and th ...


5
Bengt E Ilon: Walking support. John J Dennemeyer, April 14, 1981: US04261561 (24 worldwide citation)

The present invention relates to a walking support having a wheeled frame with upright supports and handles for the user of the walking support mounted thereon, whereby the rear wheels of the frame are mounted on lateral members which are pivotally connected to at least one front member of the frame ...


6
Philippe Bertail: Trailer having a self-lifting platform. John J Dennemeyer, February 10, 1976: US03937301 (21 worldwide citation)

A trailer is provided with a self-lifting platform and comprises a vertical mast having vertical lifting supports spaced in the longitudinal direction of the trailer. Each lifting support carries a toothed rack and symmetrical independent lifting mechanisms for actuating roller stars which are in en ...


7
Kurt Blaschke, Josef Roob: Method and apparatus for sinking a cased borehole for producing cased pile foundations. Stahl und Apparatebau Hans Leffer, John J Dennemeyer, May 13, 1980: US04202416 (19 worldwide citation)

Method for sinking a cased borehole for producing cased pile foundations. The method uses an apparatus comprising a crane, a drilling appliance capable of being lowered into the borehole and a tube extraction machine with double-acting lifting cylinders for increasing the drilling pressure and for e ...


8
Ingebret Soyland: Excavator with low center of gravity. John J Dennemeyer, July 25, 1978: US04102461 (18 worldwide citation)

An excavator includes a vessel-like lower frame having a generally vertical side wall, and a bottom wall that forms a support plate. Wheel means are secured to the lower frame side wall, and an upper frame is mounted on the lower frame for rotation about a vertical axis. The upper frame carries a ca ...


9
Hans Langen: Multiple-part hobbing cutter. Sack, John J Dennemeyer, August 19, 1980: US04218159 (18 worldwide citation)

The body of a gear hob consists of a plurality of adjacent disc-shaped segments. A helix of successive cutting teeth extends around the body and is formed by the adjoining peripheries of the segments. First and second metal cutter plates are replaceably mounted on the teeth flanks. The first cutter ...


10
Stefan O Tauschinski: Separable needle for inserting a catheter into the blood stream. John J Dennemeyer, April 3, 1979: US04147165 (17 worldwide citation)

A separable catheter needle for inserting a flexible vessel catheter into a blood vessel is adapted to be separated after taking a blood sample and comprises a needle tube of metallic material with a gripping and catheter inserting portion consisting of several elements made preferably of thermoplas ...