Daniel F. Cronch has been granted 10 US patents while listed as an inventor at 3M . The first was granted in 1991 and the most recent in October 2024. Daniel F. Cronch ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Daniel F. Cronch in Austin, TX, US.
Patents per Year Patents granted per year, 1991 to 2024 Bar chart with a peak of 3 patents in 2024. peak 3 1991: 1 patents 1991 2008: 1 patents 2008 2011: 1 patents 2011 2019: 1 patents 2019 2020: 1 patents 2020 2021: 1 patents 2021 2022: 1 patents 2022 2024: 3 patents 2024
Issued Patents All Time
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Showing 1–10 of 10 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
12124089
Optical connector assembly
Changbao Ma , Alexander W. Barr
2024-10-22
$47,106,000
12061363
Configurable optical connector
Sergio D. Carranza , Boon K. Lee , Michael A. Haase , Terry L. Smith
2024-08-13
$105,933,000
11977261
Optical connector assembly
Changbao Ma , Alexander W. Barr
2024-05-07
$49,030,000
11237340
Optical connectors and optical ferrules
Changbao Ma , Alexander W. Barr
2022-02-01
$60,235,000
11131813
Configurable optical connector
Sergio D. Carranza , Boon K. Lee , Michael A. Haase , Terry L. Smith
2021-09-28
$51,291,000
10658779
Multiple row connector with zero insertion force
Richard J. Scherer , Joseph N. Castiglione , Jesse A. Mann , Leon D. Schmidt , Steven A. Neu +3 more
2020-05-19
$34,552,000
10236613
Multiple row connector with zero insertion force
Richard J. Scherer , Joseph N. Castiglione , Jesse A. Mann , Leon D. Schmidt , Steven A. Neu +3 more
2019-03-19
$39,047,000
8007308
Electrical connector assembly
Steven Feldman , Alexander W. Barr , Joseph N. Castiglione , Rudy L. Densmore
2011-08-30
$16,834,000
7374429
Connector assembly
Alexander W. Barr , Wing-Chi Chow , Steven Feldman , Richard J. Scherer
2008-05-20
$23,480,000
5067910
Solderless electrical connector
George J. Knox , Martin G. Afflerbaugh
1991-11-26
$17,265,000