This inventor holds 3 USPTO granted patents and 1 published patent application. Top assignees: Alliant Techsystems Inc., Other. Active years: 1983-2017.
Location History:
- Atlanta, GA (US) (1983)
- Mahtomedi, MN (US) (1995 - 2017)
Company Filing History:
1 out of 492 
2 out of 834,307 Years Active: 1983-2017
Title: Innovations of John G Rupert
Introduction
John G Rupert is an accomplished inventor based in Mahtomedi, MN (US). He holds a total of 3 patents that showcase his innovative spirit and technical expertise. His work spans various fields, demonstrating his versatility as an inventor.
Latest Patents
One of his latest patents is a celestial instrument adapted for use as a memorial or sun dial clock. This celestial instrument features a flat plate body or a spherical body with two hemispheres that face one another, allowing sunlight to pass through a circular gap. The design includes a planar date ring with graphics surrounding the body. The instrument is equipped with upper and lower gnomons that are rotatably secured, and a stand that supports a latitude arm. When aligned with the ecliptic, sunlight can illuminate a display surface, with a pointer indicating the time on a 24-hour clock face.
Another notable patent is an electro-mechanical roll control apparatus and method. This invention involves a projectile with two sections that are decoupled about a roll axis. The front section contains a stator, while the rear section includes a rotor and a static spin imparting member. The invention allows for control of the projectile's spin rate by utilizing the rotor and stator in combination, either to brake the spin or to establish it.
Career Highlights
Throughout his career, John G Rupert has worked with various companies, including Alliant Techsystems Inc. His contributions to the field of invention have been significant, and his patents reflect his commitment to advancing technology.
Collaborations
John has collaborated with notable individuals such as Kenneth N Jensen and Robert L Alford. These partnerships have likely enriched his work and contributed to his innovative projects.
Conclusion
John G Rupert is a distinguished inventor whose work has led to the development of unique and functional inventions. His patents not only highlight his creativity but also his ability to solve complex problems through innovation.