Company Filing History:
Years Active: 2003-2009
Title: The Innovations of Ulf Bergquist: Pioneering Tree Felling Technology
Introduction
Ulf Bergquist is an accomplished inventor based in Woodstock, California, recognized for his significant contributions to the field of tree felling technology. With a total of four patents to his name, Bergquist’s innovative designs have enhanced efficiency and power management in the machinery used in the forestry industry.
Latest Patents
Bergquist’s latest patent, titled "Tree Feller Power Management," revolutionizes the operation of tree felling machines. This invention integrates a main pump to control various functions of the machine such as the drive wheels, steering, brakes, and the boom's lifting and extension. In addition, a separate saw pump is dedicated to th aspect of cutting, specifically employing a hydraulic motor to drive a circular disc saw. The unique feature of this design lies in its power division mechanism, which is regulated by the operator through a hydraulic control system. The operator can adjust the maximum power allotted to the saw pump, facilitating a balance between the main pump's function and the power required for cutting operations.
Another notable invention from Bergquist includes a hydraulic system featuring "Hydraulic Gravitational Load Energy Recuperation." This innovative system manages gravitational load energy by utilizing a recuperation piloted valve. This mechanism allows the recuperation hydraulic motor to harness energy from a fluid source that is pressurized by gravity, thus optimizing the performance of the prime mover and enhancing the efficiency of the overall system in driving various loads.
Career Highlights
Ulf Bergquist works for Timberjack, Inc., a company known for its cutting-edge technologies in the forestry sector. His work at Timberjack has positioned him as a significant player in the industry, where he develops advanced solutions to improve forestry operations.
Collaborations
Throughout his career, Bergquist has collaborated with talented colleagues, including Calin L. Raszga and Jeffrey R. Girard. These collaborations have fostered an environment of innovation, driving the development of new technologies that meet the evolving needs of the forestry industry.
Conclusion
Ulf Bergquist’s contributions to tree felling technology demonstrate his commitment to innovation within the forestry sector. His patents represent a blend of practical application and advanced engineering, providing vital improvements to the efficiency and functionality of tree felling machines. As the industry continues to evolve, the impact of his work will surely resonate, influencing the future of forestry technology.