David R. Stein — 9 Patents at 3M

David R. Stein has been granted 9 US patents while listed as an inventor at 3M. The first was granted in 2017 and the most recent in December 2024. David R. Stein ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list David R. Stein in White Bear Lake, MN, US.

Patents per Year

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Showing 1–9 of 9 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12168150	Personal protective equipment safety system using contextual information from industrial control systems	Steven T. Awiszus, Michael G. Wurm, Johannes P.M. Kusters	2024-12-17	$93,454,000
12128259	Respirator negative pressure fit check devices and methods	William A. Mittelstadt, Carl W. Raines, III, Nathan A. Abel, David M. Blomberg, Michael J. Cowell +6 more	2024-10-29	$61,514,000
11933453	Dynamically determining safety equipment for dynamically changing environments	Brian J. Swift, Andrew W. Long	2024-03-19	$27,219,000
11534632	Fit-test method for respirator with sensing system	Andrew S. Viner, Richard C. Webb, Nicholas G. Amell, Jessica L. T. Hauge, Andrew P. Bonifas +5 more	2022-12-27	$53,306,000
11145333	Tool capture and presentation system	William Hayes Allen, Lubomira Dontcheva, Haiqing Lu, Zachary Platt McCullough, Christopher Nuuja +5 more	2021-10-12	$168,861,000
11052268	Respirator negative pressure fit check devices and methods	William A. Mittelstadt, Carl W. Raines, III, Nathan A. Abel, David M. Blomberg, Michael J. Cowell +6 more	2021-07-06	$56,153,000
10765176	Personal protective device strap connecting buckle assembly	David M. Castiglione, David M. Blomberg, Michael J. Cowell	2020-09-08	$52,923,000
9950202	Respirator negative pressure fit check devices and methods	William A. Mittelstadt, Carl W. Raines, III, Nathan A. Abel, David M. Blomberg, Michael J. Cowell +3 more	2018-04-24	$37,716,000
D787660	Respirator mask having a face seal flexing region	William A. Mittelstadt, Charlie Wood	2017-05-23

David R. Stein — 9 Patents

Patents per Year

Issued Patents All Time

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