Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Daniel F. Cronch — 10 Patents

3M: 10 patents #1,596 of 11,543Top 15%
Austin, TX: #3,271 of 18,064 inventorsTop 20%
Texas: #15,343 of 125,132 inventorsTop 15%
Overall (All Time): #481,000 of 4,157,543Top 15%
10 Patents All Time
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 2024Bar chart with a peak of 3 patents in 2024.peak 31991: 1 patents19912008: 1 patents20082011: 1 patents20112019: 1 patents20192020: 1 patents20202021: 1 patents20212022: 1 patents20222024: 3 patents2024

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDateApprox 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