Patents by Inventor Thorkild Christensen
Thorkild Christensen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8528460Abstract: The invention concerns a hydraulic valve arrangement (1) with a supply connection arrangement comprising a high-pressure connection (P) and a low-pressure connection (T), a working connection arrangement comprising two working connections (A, B), which can be connected to a motor (4), a directional valve arrangement (5) located between the supply connection arrangement (P, T) and the working connection arrangement (A, B), and a compensation valve (15) acted upon in a first activation direction by a pressure in a first pressure chamber (33), which is connected to a load-sensing pipe (LS), and, if required, by a spring (32), and in a second activation direction opposite to the first activation direction by a pressure downstream of the directional valve arrangement (5), said pressure acting in a second pressure chamber (34), the compensation valve (15) having an inlet (14) and an outlet (19).Type: GrantFiled: May 2, 2011Date of Patent: September 10, 2013Assignee: Sauer-Danfoss ApsInventors: Thorkild Christensen, Siegfried Zenker, Svend Erik Thomsen
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Patent number: 8530191Abstract: A method for reducing or substantially preventing formation of a trisulfide derivative of a polypeptide in a liquid medium containing the polypeptide ijn question comprises stripping the liquid medium with a gas, suitably a chemically unreactive gas such as nitrogen or argon.Type: GrantFiled: March 1, 2010Date of Patent: September 10, 2013Assignee: Novo Nordisk A/SInventors: Peter Becker, Thorkild Christensen
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Patent number: 8088900Abstract: Provided are new methods for precipitating proteins comprising (a) providing a protein solution, (b) adding a salt to the solution, (c) either (i) adjusting pH of the composition to below the pI of the protein (in cases where the method is directed towards precipitation of most or all proteins in the solution) or (ii) adjusting the pH of the composition to above the pI of the protein (in cases where keeping the target protein in solution is desired), and (d) adding an organic compound to the solution, wherein (I) in the case where the method comprises step (c)(i) a two phase solution is formed wherein at least about 75% of the protein is contained in the protein phase or (II) in the case where the method comprises step (c)(ii) the method further comprises removing precipitated impurities from the protein solution.Type: GrantFiled: March 28, 2007Date of Patent: January 3, 2012Assignee: Novo Nordisk A/SInventors: Thorkild Christensen, Jan Anton Enoksen
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Patent number: 8020583Abstract: The invention concerns a hydraulic valve arrangement (1) with at least two valve modules (2-6), each having a supply channel arrangement with a high-pressure channel (9) and a low-pressure channel (15), a working connection arrangement with at least one working connection (A, B), one directional valve arrangement (16) between the supply channel arrangement (9, 15) and the working connection arrangement (A, B) and a compensation arrangement (19), which is acted upon by a pressure in a load-sensing arrangement. It is endeavored to increase the number of control possibilities. For this purpose, the load-sensing arrangement of at least one valve module (2-6) has a pressure influencing arrangement (25-29) that differs from a pressure influencing arrangement (25-29) of a load sensing arrangement of another valve module (2-6).Type: GrantFiled: December 14, 2007Date of Patent: September 20, 2011Assignee: Sauer-Danfoss ApsInventors: Thorkild Christensen, Siegfried Zenker
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Publication number: 20110204267Abstract: The invention concerns a hydraulic valve arrangement (1) with a supply connection arrangement comprising a high-pressure connection (P) and a low-pressure connection (T), a working connection arrangement comprising two working connections (A, B), which can be connected to a motor (4), a directional valve arrangement (5) located between the supply connection arrangement (P, T) and the working connection arrangement (A, B), and a compensation valve (15) acted upon in a first activation direction by a pressure in a first pressure chamber (33), which is connected to a load-sensing pipe (LS), and, if required, by a spring (32), and in a second activation direction opposite to the first activation direction by a pressure downstream of the directional valve arrangement (5), said pressure acting in a second pressure chamber (34), the compensation valve (15) having an inlet (14) and an outlet (19).Type: ApplicationFiled: May 2, 2011Publication date: August 25, 2011Applicant: Sauer-Danfoss ApSInventors: Thorkild Christensen, Siegfried Zenker, Svend Erik Thomsen
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Patent number: 7975598Abstract: The invention concerns a hydraulic valve arrangement (1) with a supply connection arrangement comprising a high-pressure connection (P) and a low-pressure connection (T), a working connection arrangement comprising two working connections (A, B), which can be connected to a motor (4), a directional valve arrangement (5) located between the supply connection arrangement (P, T) and the working connection arrangement (A, B), and a compensation valve (15) acted upon in a first activation direction by a pressure in a first pressure chamber (33), which is connected to a load-sensing pipe (LS), and, if required, by a spring (32), and in a second activation direction opposite to the first activation direction by a pressure downstream of the directional valve arrangement (5), said pressure acting in a second pressure chamber (34), the compensation valve (15) having an inlet (14) and an outlet (19).Type: GrantFiled: December 14, 2007Date of Patent: July 12, 2011Assignee: Sauer-Danfoss ApsInventors: Thorkild Christensen, Siegfried Zenker, Svend Erik Thomsen
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Patent number: 7770596Abstract: The invention concerns a hydraulic valve arrangement (1) with several valve modules (2-6), each having a supply channel arrangement with a high-pressure channel (7) and a low-pressure channel (8), a working connection arrangement with at least one working connection (A, B), a directional valve arrangement (15, 16) between the supply channel arrangement and the working connection arrangement and a compensation arrangement (19, 28). It is endeavoured to improve the control possibilities. For this purpose, it is provided that in at least one valve module (3, 5) the compensation arrangement is a pre-compensation arrangement (19) and in at least one other valve module (4, 6) the compensation arrangement is a post-compensation arrangement (28).Type: GrantFiled: December 14, 2007Date of Patent: August 10, 2010Assignee: Sauer-Danfoss ApsInventors: Thorkild Christensen, Siegfried Zenker
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Publication number: 20100160236Abstract: A method for reducing or substantially preventing formation of a trisulfide derivative of a polypeptide in a liquid medium containing the polypeptide ijn question comprises stripping the liquid medium with a gas, suitably a chemically unreactive gas such as nitrogen or argon.Type: ApplicationFiled: March 1, 2010Publication date: June 24, 2010Applicant: Novo Nordisk HealthCare A/GInventors: Peter Becker, Thorkild Christensen
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Publication number: 20090131311Abstract: A method for reducing or substantially preventing formation of a trisulfide derivative of a polypeptide in a liquid medium containing the polypeptide ijn question comprises stripping the liquid medium with a gas, suitably a chemically unreactive gas such as nitrogen or argon.Type: ApplicationFiled: December 20, 2005Publication date: May 21, 2009Inventors: Peter Becker, Thorkild Christensen
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Publication number: 20080293917Abstract: A polymer substrate functionalized with a functionality comprising at least one cyclic, metal ion coordinating ligand group, the cyclic ligand group comprising at least 3 metal ion coordinating donor atoms independently selected from the group consisting of N, O and S.Type: ApplicationFiled: June 23, 2008Publication date: November 27, 2008Applicants: Novo Nordisk A/S, Monash UniversityInventors: Thorkild Christensen, Milton Thomas William Hearn, Leone Spiccia, Wei Jiang, Therese Jane Mooney, Bimbil Graham
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Patent number: 7456276Abstract: A polymer substrate functionalized with a functionality comprising at least one cyclic, metal ion coordinating ligand group, the cyclic ligand group comprising at least 3 metal ion coordinating donor atoms independently selected from the group consisting of N, O and S.Type: GrantFiled: November 12, 2002Date of Patent: November 25, 2008Assignees: Novo Nordisk A/S, Monash UniversityInventors: Thorkild Christensen, William Milton Thomas Hearn, Leone Spiccia, Wei Jiang, Therese Jane Mooney, Bimbil Graham
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Publication number: 20080245222Abstract: The invention concerns a hydraulic valve arrangement (1) with a supply connection arrangement comprising a high-pressure connection (P) and a low-pressure connection (T), a working connection arrangement comprising two working connections (A, B), which can be connected to a motor (4), a directional valve arrangement (5) located between the supply connection arrangement (P, T) and the working connection arrangement (A, B), and a compensation valve (15) acted upon in a first activation direction by a pressure in a first pressure chamber (33), which is connected to a load-sensing pipe (LS), and, if required, by a spring (32), and in a second activation direction opposite to the first activation direction by a pressure downstream of the directional valve arrangement (5), said pressure acting in a second pressure chamber (34), the compensation valve (15) having an inlet (14) and an outlet (19).Type: ApplicationFiled: December 14, 2007Publication date: October 9, 2008Applicant: Sauer-Danfoss ApSInventors: Thorkild Christensen, Siegfried Zenker, Svend Erik Thomsen
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Publication number: 20080223456Abstract: The invention concerns a hydraulic valve arrangement (1) with at least two valve modules (2-6), each having a supply channel arrangement with a high-pressure channel (9) and a low-pressure channel (15), a working connection arrangement with at least one working connection (A, B), one directional valve arrangement (16) between the supply channel arrangement (9, 15) and the working connection arrangement (A, B) and a compensation arrangement (19), which is acted upon by a pressure in a load-sensing arrangement. It is endeavoured to increase the number of control possibilities. For this purpose, the load-sensing arrangement of at least one valve module (2-6) has a pressure influencing arrangement (25-29) that differs from a pressure influencing arrangement (25-29) of a load sensing arrangement of another valve module (2-6).Type: ApplicationFiled: December 14, 2007Publication date: September 18, 2008Applicant: Sauer-Danfoss ApSInventors: Thorkild Christensen, Siegfried Zenker
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Publication number: 20080224073Abstract: The invention concerns a hydraulic valve arrangement (1) with several valve modules (2-6), each having a supply channel arrangement with a high-pressure channel (7) and a low-pressure channel (8), a working connection arrangement with at least one working connection (A, B), a directional valve arrangement (15, 16) between the supply channel arrangement and the working connection arrangement and a compensation arrangement (19, 28). It is endeavoured to improve the control possibilities. For this purpose, it is provided that in at least one valve module (3, 5) the compensation arrangement is a pre-compensation arrangement (19) and in at least one other valve module (4, 6) the compensation arrangement is a post-compensation arrangement (28).Type: ApplicationFiled: December 14, 2007Publication date: September 18, 2008Applicant: Sauer-Danfoss ApSInventors: Thorkild Christensen, Siegfried Zenker
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Publication number: 20060287432Abstract: A polymer substrate functionalized with a functionality comprising at least one cyclic, metal ion coordinating ligand group, the cyclic ligand group comprising at least 3 metal ion coordinating donor atoms independently selected from the group consisting of N, O and S.Type: ApplicationFiled: November 12, 2002Publication date: December 21, 2006Inventors: Thorkild Christensen, William Hearn, Leone Spiccia, Wei Jiang, Therese Mooney, Bimbil Graham
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Patent number: 6971407Abstract: The invention concerns a hydraulic valve arrangement with a supply connection arrangement, which has a high-pressure connection (P) and a low-pressure connection (T), a working connection arrangement, which has two working connections (A, B), which can be connected with a consumer, a directional valve and a compensation valve arranged between the directional valve and the supply connection arrangement, the pressure outlet of the compensation valve being connected with a pressure inlet of the directional valve. It is endeavoured to avoid dangerous situations, which occur because of uncontrolled pressures. For this purpose, it is ensured that the compensation valve has a relief outlet, which can be connected with the pressure outlet.Type: GrantFiled: December 12, 2003Date of Patent: December 6, 2005Assignee: Sauer-Danfoss APSInventors: Thorkild Christensen, Carsten Christensen, Siegfried Zenker
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Patent number: 6868863Abstract: The invention concerns a pressure reduction valve (1) with a housing (2a, 2b), a valve element (6) being displaceable in the housing and acted upon in one direction by a pressure in a low-pressure chamber connected with an outlet (11) and in the opposite direction by the force of a spring (16), which is arranged in a spring chamber (17) in the housing (2a). It is endeavoured to improve the dynamic behaviour of the pressure reduction valve. For this purpose, a pilot flow path (7, 23, 21) connects the low-pressure chamber (5) and the spring chamber (17) with each other.Type: GrantFiled: November 13, 2002Date of Patent: March 22, 2005Assignee: Sauer-Danfoss ApSInventors: Poul Erik Hansen, Svend Erik Thomsen, Thorkild Christensen
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Patent number: 6854270Abstract: A hydraulic valve system (1) has a supply connection arrangement having a high-pressure connection (P) and a low-pressure connection (T), a working connection arrangement, having two working connections (A, B) connectable with a motor (2), with a directional valve (4), which is arranged between the supply connection arrangement (P, T) and the working connection arrangement (A, B), and with a compensation valve (8), which is acted upon in a first operation direction by a spring (22) and a pressure in a pressure chamber (23), which is connected with a load-sensing line (LS), and in a second operation direction, which is opposite to the first operation direction, by a pressure at the directional valve (4).Type: GrantFiled: April 22, 2003Date of Patent: February 15, 2005Assignee: Sauer-Danfoss ApSInventors: Siegfried Zenker, Thorkild Christensen
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Publication number: 20040235090Abstract: A desired protein having the formula:Type: ApplicationFiled: October 20, 2003Publication date: November 25, 2004Inventors: Henrik Dalboge, John Pedersen, Thorkild Christensen, Jorli Winnie Ringsted, Torben Ehlern Jessen
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Patent number: 6805161Abstract: A hydraulic valve system (1) has a supply connection arrangement, having a high-pressure connection (P) and a low-pressure connection (T), a working connection arrangement, having two working connections (A, B), which can be connected with a hydraulic motor (2), and a directional valve (4) between the supply connection arrangement (P, T) and the working connection arrangement (A, B), which is connected with the working connection arrangement (A, B) via working lines (17, 18), in which are arranged check valves (21, 22), which can be opened by means of pressure.Type: GrantFiled: April 24, 2003Date of Patent: October 19, 2004Assignee: Sauer-Danfoss ApSInventors: Siegfried Zenker, Thorkild Christensen