Location History:
- Cottage Grove, MN (US) (1986)
- Saint Paul, MN (US) (1987 - 1999)
- Woodbury, MN (US) (1989 - 2017)
Company Filing History:
20 out of 7,865 
19 out of 14,059 
1 out of 3 Years Active: 1986-2017
Title: Dennis G. Welygan: Innovator in Ceramic Abrasive Technologies
Introduction: Dennis G. Welygan, based in Woodbury, MN, is an accomplished inventor with an impressive portfolio of 40 patents in the field of ceramic abrasive technologies. His contributions to innovation have significantly advanced the manufacturing processes for abrasive materials, leading to enhanced performance and efficiency in various applications.
Latest Patents: Welygan's recent patents highlight his focus on advancing the production of shaped ceramic abrasive particles. Notably, one of his latest inventions is a laser method for making these shaped ceramic abrasive particles. This method involves cutting a layer of ceramic precursor material using a laser beam, which then forms shaped ceramic precursor particles. Subsequent thermal processing results in the final shaped ceramic abrasive particles. Additionally, he developed a transfer-assisted screen printing method that facilitates the creation of these shaped particles by applying differential pressure during the printing process. His research indicates that shaped abrasive particles made from lower viscosity sol gels show superior grinding performance compared to those made from higher viscosity sol gels.
Career Highlights: Throughout his career, Dennis has contributed to notable companies such as the Minnesota Mining and Manufacturing Company and 3M Innovative Properties Company. These positions have allowed him to apply his innovative ideas in practical settings, furthering the development of ceramic abrasive technologies.
Collaborations: Welygan has worked alongside prominent figures in the industry, including coworkers Louis S. Moren and Richard M. Pihl. Their collaborations have fostered a dynamic environment for research and innovation, making significant strides in the field.
Conclusion: Dennis G. Welygan's dedication to innovation in ceramic abrasive technologies, coupled with his notable patents and collaborations, underscores his role as a leading inventor. His advances not only enhance manufacturing processes but also contribute significantly to the overall effectiveness of abrasive materials used across various industries.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.