This inventor holds 36 USPTO granted patents and 2 published patent applications, plus 7 CIPO patents and 33 EPO patents, primarily in Top Drive Systems. Top assignees: Weatherford Technology Holdings, LLC, Weatherford/lamb, Inc., Other. Active years: 2004-2026.
Location History:
- Seeze, DE (2006)
- Seeize, DE (2007 - 2012)
- Langenhagen, DE (2013)
- Seelze, DE (2004 - 2024)
Company Filing History:
24 out of 918 
10 out of 1,209 
2 out of 834,307 Years Active: 2004-2026
Areas of Expertise:
Title: **Martin Liess: An Innovative Mind in Tubular Handling Technology**
Introduction
Martin Liess, based in Seelze, Germany, is a distinguished inventor with an impressive portfolio of 35 patents. His contributions primarily lie in the field of tubular handling technology, where his innovative designs are paving the way for advancements in the industry.
Latest Patents
Among Martin's latest patents is the Spider Load Indicator, a sophisticated tubular gripping assembly designed for robust handling of tubulars. This assembly includes a housing with multiple gripping members, a first fluid line equipped with a one-way valve for their operation, and a second fluid line for closure. Notably, the assembly features an indicator mechanism that is movable concerning the housing, incorporating a sensor valve that opens the check valve facilitating fluid communication as needed.
Another remarkable invention is the Modular Top Drive System, utilized in constructing wellbores. This system consists of a motor unit that encapsulates essential components such as a drive body, a stator-connected drive motor, a trolley for rail connection on drilling rigs, and a drive ring that allows for selective connection to drilling, casing, or cementing units.
Career Highlights
Martin's career boasts significant stints at prominent companies, including Weatherford Technology Holdings, LLC and Weatherford/Lamb, Inc. His tenure at these organizations has allowed him to refine his expertise and drive innovation in tubular technology.
Collaborations
Throughout his career, Martin has collaborated with esteemed colleagues such as Martin Helms and Bjoern Thiemann. Their collective knowledge and innovative spirit have contributed to the success of multiple projects and patents, enhancing the technical landscape.
Conclusion
In conclusion, Martin Liess stands out as a pivotal figure in the field of tubular handling technology. With a remarkable record of patents and innovative designs, he continues to exemplify the spirit of invention. His contributions not only reflect his skill and dedication but also inspire future advancements in the industry.