Oosterhout, Netherlands

Johannes W Van Rijzingen

This inventor holds 1 USPTO granted patent. Top assignee: Varco International, Inc.. Active years: 1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Johannes W Van Rijzingen. Retrieved from https://idiyas.com/inventor/johannes-w-van-rijzingen

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 91(Granted Patents)


Company Filing History:


Years Active: 1994

Loading Chart...
1 patent (USPTO):Explore Patents

Title: Innovations of Johannes W Van Rijzingen

Introduction

Johannes W Van Rijzingen is a notable inventor based in Oosterhout, Netherlands. He has made significant contributions to the field of engineering, particularly in the design of safety mechanisms for elevators used in well rigs. His innovative approach has led to the development of a unique safety elevator that enhances operational safety.

Latest Patents

Johannes W Van Rijzingen holds a patent for a safety elevator. This elevator is designed to support a string of pipe in a well rig and can be actuated between a closed condition for gripping the pipe and an open condition. A key feature of this invention is a safety device that prevents the elevator from opening when a string of pipe is positioned within it, thereby preventing accidental dropping into the well. The elevator operates using air pressure, and the safety device includes a sensing element that responds to the presence of the well pipe, controlling the delivery of pressure fluid to the elevator.

Career Highlights

Johannes W Van Rijzingen is associated with Varco International, Inc., where he has applied his expertise in engineering and innovation. His work has focused on enhancing safety in drilling operations, which is critical in the oil and gas industry. His patent reflects his commitment to improving safety standards and operational efficiency.

Collaborations

Throughout his career, Johannes has collaborated with notable colleagues, including Cornelis L Busink and David B Mason. These collaborations have contributed to the advancement of technology in their field and have fostered a culture of innovation.

Conclusion

Johannes W Van Rijzingen's contributions to the field of engineering, particularly through his patented safety elevator, demonstrate his dedication to enhancing safety in well rig operations. His work continues to influence the industry positively.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Loading…