1
Thomas Skorka, Hans Josef Schuetz: Dispenser for manually discharging plural media. Ing Erich Pfeiffer & Co KG, Steele Gould & Fried, May 2, 1989: US04826048 (147 worldwide citation)

A dispenser (1) has two facing and outwardly sealed reservoirs (2) for separate media components, as well as for each reservoir (2) a separate discharge pump (3), both discharge pumps (3) being simultaneously operable by means of a common handle (10). Thus, the components are separately sucked in an ...


2
Thomas Skorka: Monually operable dispenser for media with multiple components. Ing Erich Pfeiffer & Co KG, Steele Gould & Fried, April 18, 1989: US04821923 (110 worldwide citation)

A dispenser (1) has an admixing chamber (5) for each of the admixing components to be mixed together in a main chamber (4), the admixing chamber being inserted in a mount (7) of main chamber (4) formed by a vessel neck. A partition of the admixing chamber (5) is essentially constructed as a closure ...


3
Lothar Graf, Leo Maerte, Thomas Skorka: Fluid dispenser. Ing Erich Pfeiffer & Co KG, Steele Gould & Fried, September 22, 1987: US04694977 (42 worldwide citation)

A vacuum-tight and pressure-tight closed storage space in a container is constructionally combined with a thrust piston pump projecting thereinto and a drag piston slidably guided therein and in the initial position of the thrust piston pump is hermetically sealed by an exhaust valve mechanically cl ...


4
Lothar Graf, Leo Maerte, Thomas Skorka: Fluid dispenser. Ing Erich Pfeiffer & Co KG, Steele Gould & Fried, July 31, 1990: US04944430 (25 worldwide citation)

A vacuum-tight and pressure-tight closed storage space in a container is constructionally combined with a thrust piston pump projecting thereinto and a drag piston slidably guided therein and in the initial position of the thrust piston pump is hermetically sealed by an exhaust valve mechanically cl ...


5
Thomas Skorka: Manually operated dual invertible pump. Ing Erich Pfeiffer & Co KG, Eckert Seamans Cherin & Mellott, May 26, 1992: US05115980 (21 worldwide citation)

A manually operable discharge pump for media is operable in a normal position and in an inverted position. A duct means 57b carries the medium. At least one valve 12b substantially closes and opens at least one duct 57b, and the valve 12b has a deformable valve body 44b cooperating with a valve seat ...


6
Thomas Skorka: Thrust piston pump for active substance dispenser. Ing Erich Pfeiffer & Co KG, February 23, 1988: US04726747 (12 worldwide citation)

A thrust piston pump for an active substance dispenser has two equiaxial, position-rigid, interconnected pistons running in the same direction, namely a pump piston passing in and out of an otherwise closed pump chamber and a larger presuction pistion located downstream thereof, in whose associated ...


7
Thomas Skorka: Manually operated dual invertible pump. Ing Erich Pfeiffer & Co KG, Steele Gould & Fried, April 25, 1989: US04823991 (9 worldwide citation)

A manually operated dispensing pump has dual pump mechanisms, one pump being operable in a normal upright position and the other pump being operable when the apparatus is inverted. The dual pumps are fed from the same storage vessel for the media to be pumped. A preferred embodiment arranges the dua ...


8
Kilian Bott, Thomas Skorka: Coating for a press sleeve. Diller Ramik & Wight, May 11, 2006: US20060097518-A1

The shell for a press fitting for a tube of plastic or a plastic/metal compound material comprises a shell body (16) of a soft metal, a soft metal alloy or a plastic. Further, the shell is provided with a wax layer (22) at least in partial regions of the outer side (20) of the shell body (16).