KENT STEVEN VILENDRER
Pilots at Welters Way, Edina, MN

6547783, Apr 15, 2003

Oct 24, 2000

09/695497

Kent Vilendrer - Eden Prairie MN
Kelly Grimes - Minneapolis MN
Jagdeesh Shukla - Minneapolis MN
David Strei - Chaska MN
Christopher Eriksen - St. Paul MN
Troy Nickel - St. Louis Park MN

EnduraTEC Systems Corp. - Minnetonka MN

A61B 1862

606 20, 607 96, 607 99

A grip for holding soft materials is described wherein the gripping surface of the grip is cooled by a thermo-electric cooler. The grip of the present invention includes grip members having opposed gripping surfaces that contact the soft material. The grip does not require use of cryogenic materials and is suitable for use in contact with fluids at body temperature. The temperature of the grip can be easily controlled.

2009011, Apr 30, 2009

Oct 24, 2008

12/258048

Kent S. Vilendrer - Eden Prairie MN, US
Blaise D. Porter - Minneapolis MN, US
Philippe Levesque - Bloomington MN, US

TISSUE GROWTH TECHNOLOGIES CORPORATION - Minnetonka MN

C12N 5/02, C12M 3/00, C12M 3/06, C12M 1/36, C12M 1/02

435395, 4352891, 4352971, 4352866, 4353031, 4353052

A bioreactor system for growing and conditioning tissue for research and implantation in a human or animal body is disclosed which includes one or more tissue growth chambers for growing and conditioning tissue, each chamber being defined by a housing and providing a fluid culture media cavity which can act as a reservoir. A construct for growing three-dimensional tissues is housed in each tissue growth chamber. Each chamber is connected to a source of pressurized air for applying a controlled pressure to the chamber media cavity. The tissue growth chambers can be mounted on an agitation device such as a shaker system which enhances mass transport within the chamber media cavity. A control system is provided to control the pressure and temperature of the pressurized gas delivered to the chamber media cavity and subsequently to the tissue construct.

5712431, Jan 27, 1998

May 1, 1996

8/640487

Kent Vilendrer - Eden Prairie MN

Endura-Tec Systems Corporation - Eden Prairie MN

G01N 324

73841

A portable device for measuring the shear properties of compacted asphalt mixes under applied dynamic loading conditions. The device includes first and second material retaining members which form a material receiving pocket for containing the compacted asphalt mix. The first and second material retaining members are connected via flexure assemblies which allow movement of the first and second material retaining members only along the longitudinal axis of the compacted asphalt mix. A dynamic load is applied to the flexures, thereby creating a shear condition parallel to the longitudinal axis of the compacted mix. The temperature of the asphalt mix may be held constant by controlling the temperature within an environmental chamber through the use of a closed loop PID control system. The specimen is dynamically loaded by a dynamic loading frame consisting of a servo pneumatic actuator and load reaction structure. A microprocessor-based controller operates the dynamic loading frame under closed loop control.

2002017, Nov 21, 2002

May 21, 2001

09/862054

Kent Vilendrer - Eden Prairie MN, US
Troy Nickel - St. Louis Park MN, US

EnduraTEC Systems Corp. - Minnetonka MN

G01N003/20

073/849000

A portable device for measuring the shear properties of a material specimen under applied dynamic circumferential forces against the specimen perpendicular to a longitudinal axis of said specimen. The device may further apply a dynamic force against an end of the specimen. The device includes clamps that hold the specimen at its proximal and distal end, wherein the circumferential force applied to the specimen is affectively applied between the two clamps. The temperature of the specimen may be held constant by controlling the temperature within an environmental chamber through the use of a closed loop PID control system. The force against the specimen is dynamically loaded by a dynamic load reaction frame consisting of a shear load actuator and load reaction structure. A microprocessor-based controller operates the dynamic load reaction frame under closed loop control. The microprocessor-based controller may be servo controlled, utilizing feedback from either a load transducer or either or both of two linear displacement transducers.

5670708, Sep 23, 1997

Apr 2, 1996

8/626486

Kent Vilendrer - Eden Prairie MN

Endura-Tec Systems Corporation - Eden Prairie MN

G01M 1900

73 37

A physiological simulation device for measuring compliance conditions of a prosthesis, such as stents, grafts and stent-grafts, under simulated physiologic loading conditions. The prosthesis is positioned within a fluid conduit of the fatigue tester, wherein the fluid conduit is filled with a saline solution or other fluid approximating the physiological condition to be tested. The fluids are forced through the fluid conduit from both ends of the fluid conduit in a pulsating fashion at a high frequency, thereby simulating systolic and diastolic pressures. The temperature of the fluid is maintained at a specific (37. degree. C. ) temperature via a closed loop PID control system. The fluids are pulsated by a pulse generation system consisting of a voice coil drive motor connected to a bellows assembly. Use of a linear drive motor increases the number of cycles per minute to which the prosthesis may be subjected. A microprocessor-based controller operates the pulse generation system at a frequency ranging from 0 to over 6000 cycles/minute under closed loop control.

7410792, Aug 12, 2008

Sep 17, 2004

10/944462

Kent Vilendrer - Eden Prairie MN, US

St3 Development Corporation - Eden Prairie MN

C12M 1/36, C12M 1/00, C12M 1/12, C12M 5/02

4352861, 4352841, 4352891, 4352972, 435394

A microprocessor controlled and instrumented bioreactor for conditioning tissue engineered medical products. The microprocessor control providing measurement and control of the tissue displacement and subsequent determination of material and growth properties. The microprocessor control providing adaptive adjustment of the applied conditions to provide optimal tissue growth.

7348175, Mar 25, 2008

Feb 19, 2003

10/371175

Kent Vilendrer - Eden Prairie MN, US
Troy Nickel - St. Louis Park MN, US

St3 Development Corporation - Eden Prairie MN

A01N 1/00, A01N 1/02, C12M 1/00, C12M 3/00, A61F 2/04

4352841, 4352891, 4352991, 4352972, 4353042, 435394, 4352865, 623915, 623916, 623921, 600 36

A microprocessor controlled and instrumented bioreactor for conditioning intravascular tissue engineered medical products. One bioreactor design including an integrated pump to provide a relatively small volume of fluid nutrient. The microprocessor control providing measurement and control of the fluid flow and tissue displacement and subsequent determination of material properties. One design includes a flexible joint providing motion of the treated tissue in the axial, bending and torsional direction.

2013030, Nov 14, 2013

Jul 18, 2013

13/945518

Kent Vilendrer - Eden Prairie MN, US

C12N 5/00

435401

An apparatus and method is described for seeding and culturing cells on a sample. The apparatus includes a chamber in which the volume of the chamber may be adjusted without compromising the seal or sterility of the chamber. The apparatus enables the seeding of cells in a reduced volume and culturing of cells in an increased volume. Further, the apparatus enables application of forces, strains and torques to a sample during seeding, culturing or transportation of the sample.

8492135, Jul 23, 2013

Apr 3, 2009

12/418371

Blaise Damian Porter - Minneapolis MN, US
Kent Steven Vilendrer - Eden Prairie MN, US

Tissue Growth Technologies Corporation - Minnetonka MN

C12M 1/00, C12M 1/12, C12N 5/02

4352831, 4352971, 435325

An apparatus and method is described for seeding and culturing cells on a sample. The apparatus includes a chamber in which the volume of the chamber may be adjusted without compromising the seal or sterility of the chamber. The apparatus enables the seeding of cells in a reduced volume and culturing of cells in an increased volume. Further, the apparatus enables application of forces, strains and torques to a sample during seeding, culturing or transportation of the sample.