Company Filing History:
2 out of 102 
1 out of 90 
1 out of 32 Years Active: 2004-2011
Title: Loring M Johnson: Innovator in Mechanical Engineering
Introduction
Loring M Johnson is a notable inventor based in Tinley Park, Illinois. He holds five patents that showcase his innovative contributions to mechanical engineering. His work primarily focuses on advancements in door mechanisms and methods for joining sheet metal.
Latest Patents
One of Johnson's latest patents is a door closer that features a spindle journaled in a housing, which connects to turn with a door. Upon rotation, a cam carried by the spindle facilitates linear movement of a slide assembly relative to the housing. This design includes a piston connected to the slide assembly, with passages in the housing allowing fluid flow in response to piston movement. A spring assembly outside the housing is linked to the piston, enabling energy storage for door closing. Another significant patent is a rotary stitch method for joining sheet metal stock. This method involves securing two pieces of sheet material by sequentially passing a grid member through two die sets. The first die set lances a strap from the sheets, while the second die set swages the layers to bond them together effectively.
Career Highlights
Throughout his career, Loring M Johnson has worked with various companies, including Hampton Products International Corporation. His innovative designs have contributed to advancements in mechanical systems and manufacturing processes.
Collaborations
Johnson has collaborated with notable individuals in his field, including Robert L Gast and John Wade Landrum. Their combined expertise has likely influenced the development of his patented technologies.
Conclusion
Loring M Johnson's contributions to mechanical engineering through his patents reflect his innovative spirit and dedication to improving everyday mechanisms. His work continues to impact the industry positively.