This inventor holds 2 USPTO granted patents. Top assignees: Bethlehem Steel Corporation, Isg Technologies Inc.. Active years: 1984-2006.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1984-2006
Title: Richard T Sewald, Sr: Innovator in Water Treatment Technologies
Introduction
Richard T Sewald, Sr. is a notable inventor based in Bethlehem, PA (US). He has made significant contributions to the field of water treatment, particularly in the removal and detoxication of dissolved metals. With a total of 2 patents, his work addresses critical environmental challenges.
Latest Patents
Sewald's latest patents include a method for the removal and detoxication of dissolved metals in rainwater discharge. This invention provides a water treatment apparatus designed to reduce toxicity in zinc-containing acid stormwater runoff. The apparatus features a first filter layer of high calcium material, a last filter layer comprising a drainpipe arrangement embedded within an aggregate, and at least one intermediate filter layer made of wood mulch material.
Another significant patent involves the treatment of industrial wastewaters. This method describes how heavy metals dissolved in wastewater can be precipitated as a slurry. The process begins with the introduction of a neutralizing agent into a reactor, where it is adsorbed onto carrier particles. The contaminated wastewater is then added, and the pH is adjusted to facilitate the precipitation of heavy metals. The resulting mixture is processed to separate solids, yielding purified water.
Career Highlights
Throughout his career, Sewald has worked with prominent companies such as Bethlehem Steel Corporation and ISG Technologies Inc. His experience in these organizations has contributed to his expertise in environmental technologies and water treatment solutions.
Collaborations
Sewald has collaborated with notable individuals in his field, including Stewart T Herman and James B Pfeiffer. These partnerships have likely enhanced his innovative approaches and broadened the impact of his inventions.
Conclusion
Richard T Sewald, Sr. stands out as an inventor dedicated to improving water treatment technologies. His patents reflect a commitment to addressing environmental issues through innovative solutions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile