1
Keith Michael Jansen, Kris Martin Jansen: Method and apparatus for pressurizing gas. Mandus Group, Brian J Laurenzo, Michael C Gilchrist, Jason M Hunt, September 16, 2003: US06619930 (44 worldwide citation)

A system and method for compressing gas uses a hydraulic pump and a hydraulic accumulator to compress gases in gaseous form. The accumulator is divided into a hydraulic chamber and a pneumatic chamber. The pneumatic chamber of the accumulator can be pneumatically connected to a gas supply and a gas ...


2
Martin Jansen: Wheelchair provided with legrest and calfrest. Revab IP, Michaelson & Associates, Peter L Michaelson, May 6, 2008: US07367578 (15 worldwide citation)

The invention relates to a legrest for a wheelchair, provided with a footrest and a calfrest. In a first, supporting position (ready for use), this footrest and calfrest are designed for supporting at least a part of a leg of a user seated during use in the wheelchair. The calfrest can be moved to a ...


3
Martin Jansen: Adjustable fluid swivel. Amtel, Freilich Hornbaker Rosen & Fernandez, May 9, 1989: US04828292 (13 worldwide citation)

A fluid swivel is described, which enable the measurement and the adjustment of separation of seal surfaces. The fluid swivel includes inner and outer walls that are rotatably coupled about an axis and that form an annular chamber and a pair of gaps extending from the chamber. A hollow region is for ...


4
Hans Peter Baldus, Oliver Wagner, Martin Jansen: Silicon-aluminium nitride ceramic and precursor compounds, processes for their preparation and their use. Bayer Aktiengesellschaft, Sprung Horn Kramer & Woods, September 26, 1995: US05453527 (11 worldwide citation)

The present invention relates to new trichlorosilylamino-alanes, new aluminosilazane compounds, new oligo or polyaluminosilazane compounds having the structural feature .tbd.Si--NH--Al, a silicon-aluminium nitride ceramic powder, ceramic material based on SiN and AlN, processes for the preparation o ...


5
Martin Jansen, Hans Peter Baldus, Oliver Wagner: Silicon boron nitride ceramic and precursor compounds, a process for their preparation and their use. Bayer Aktiengesellschaft, Connolly & Hutz, August 3, 1993: US05233066 (9 worldwide citation)

Silicon boron nitride ceramics are produced from polyborosilizanes obtained from polymerized Cl.sub.3 Si--NH--BClX wherein X is --Cl or --NH--Si--Cl.sub.3.


6
Martin Jansen, Hans Peter Letschert, Dietrich Speer: Oxonitrides of the formula LnTaOn.sub.2 with enhanced brightness and a process for their production and use. Cerdec Aktiengesellschaft Keramische Farben, Beveridge DeGrandi Weilacher & Young, August 8, 1995: US05439660 (8 worldwide citation)

Oxonitrides with a perovskite of the general formula LnTaON.sub.2, where Ln is a rare-earth element, and which exhibit an enhanced brightness, are produced by annealing a powder mixture consisting of a Ta (V) compound and a Ln compound in a reducing atmosphere that contains ammonia. Added to the pow ...


7
Robert Nelson, Martin Jansen: Safety lock for elevators. Weatherford Lamb, Patterson & Sheridan, October 14, 2008: US07434614 (6 worldwide citation)

An elevator having a safety lock is provided to prevent the inadvertent release of a tubular. In one embodiment, the elevator includes a body for supporting the tubular and a locking apparatus activatable by an upset portion of the tubular, the safety locking apparatus adapted to prevent the tubular ...


8
Martin Jansen, Hans Peter Baldus, Oliver Wagner: Silicon boron nitride ceramic and precursor compounds, a process for their preparation and their use. Bayer, Connolly & Hutz, May 17, 1994: US05312942 (6 worldwide citation)

Silicon boron nitride ceramics are produced from polyborosilizanes obtained from polymerized Cl.sub.3 Si--NH--BClX wherein X is --Cl or --NH--Si--Cl.sub.3.


9
Josua Loffelholz, Martin Jansen: Polymeric borosilazanes and aluminosilazanes, a process for their preparation and their use. Bayer, Connolly and Hutz, April 11, 1995: US05405982 (6 worldwide citation)

The present invention relates to polymeric boro- and aluminosilazanes corresponding to the general formula


10
Ulrich Wannagat, Adrian Schervan, Martin Jansen, Hans Peter Baldus, Aloys Eiling: Silicon diimide, a process for its preparation and silicon nitride obtained therefrom. Bayer Aktiengesellschaft, Connolly & Hutz, November 2, 1993: US05258169 (5 worldwide citation)

Silicon diimide having a carbon content of at most 0.5% by weight and a chlorine content of at most 20 ppm is prepared by reacting ammonia with organyl amino silane at 50.degree.-300.degree. C. at elevated pressure and is useful as an intermediate for high grade silicon nitride.