This inventor holds 10 USPTO granted patents. Top assignees: Kejr Engineering, Inc., Other. Active years: 1984-1998.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Salina, KS (US) (1987)
- Saline, KS (US) (1993)
- Brookville, KS (US) (1984 - 1998)
Company Filing History:
8 out of 11 
2 out of 834,513 Years Active: 1984-1998
Title: Melvin P Kejr: Innovator in Ground Water Sampling Technology
Introduction
Melvin P Kejr is a notable inventor based in Brookville, KS (US). He has made significant contributions to the field of ground water sampling technology, holding a total of 10 patents. His innovative designs have paved the way for advancements in environmental monitoring.
Latest Patents
One of his latest patents is a ground water sampling device that features an elongated cylindrical integral hollow housing. This device includes an inner surface that defines an inner bore, with an opening at its lower end. The upper end of the housing is designed to attach to a probe rod string. The bore consists of a primary diameter section and a reduced diameter section, with the latter formed adjacent to the lower end of the housing. The inner surface has a shoulder positioned where the primary diameter transitions to the reduced diameter section. An elongated hollow screen is telescopically received within the housing, allowing it to be stowed during driving into the ground and deployed to collect ground water. The screen has a ridge that engages the shoulder of the housing in its deployed position, preventing further downward movement. An expendable drive point is positioned in the opening during the driving process and is disengaged prior to the screen's deployment.
Career Highlights
Melvin has worked with Kejr Engineering, Inc., where he has applied his expertise in engineering and innovation. His work has significantly impacted the field of environmental technology, particularly in ground water sampling.
Collaborations
Throughout his career, Melvin has collaborated with notable individuals such as Thomas M Christy and Volker Wittig. These partnerships have contributed to the development of his innovative technologies.
Conclusion
Melvin P Kejr's contributions to ground water sampling technology exemplify his dedication to innovation and environmental protection. His patents reflect a commitment to improving methods for monitoring and sampling ground water, showcasing his role as a significant inventor in this field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile