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USPTO Patent Rankings Data through Dec 31, 2025
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Robert Ketelhohn — 18 Patents

DJDjo: 9 patents #8 of 136Top 6%
ILIntegra Lifesciences Nr Ireland Limited: 4 patents #1 of 12Top 9%
ILIntegra Lifesciences Enterprises, Lllp: 3 patents #6 of 10Top 60%
Honeywell: 2 patents #6,691 of 16,504Top 45%
Dunstable, MA: #7 of 67 inventorsTop 15%
Massachusetts: #6,563 of 88,656 inventorsTop 8%
Overall (All Time): #245,716 of 4,157,543Top 6%
18 Patents All Time
Robert Ketelhohn has been granted 18 US patents while listed as an inventor at Djo. The first was granted in 2000 and the most recent in July 2025. Robert Ketelhohn ranks #245,716 of 4,157,543 US inventors in our database (top 5.9%). Patent records list Robert Ketelhohn in Dunstable, MA, US.

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
12364617 Inflation control valve Benjamin Batterson, Manikandan Sasidharan 2025-07-22
12109352 Ergonomic tubing attachment for medical apparatus Prakash Manandhar, Daniel J. Cotter, Peter L. Gould, Todd Metivier 2024-10-08
12059365 Brace having an inflation control Benjamin Batterson, Manikandan Sasidharan, Carl T. Whitaker 2024-08-13
11883314 Inflation control valve Benjamin Batterson, Manikandan Sasidharan 2024-01-30
11612682 Ergonomic tubing attachment for medical apparatus Prakash Manandhar, Daniel J. Cotter, Peter L. Gould, Todd Metivier 2023-03-28
11491039 Brace having an inflation control Benjamin Batterson, Manikandan Sasidharan, Carl T. Whitaker 2022-11-08
11318034 Inflation control valve Benjamin Batterson, Manikandan Sasidharan 2022-05-03
11191553 Connector for surgical handpiece Daniel J. Cotter, Prakash Manandhar, John Bertorelli, Saurav V. Gupta, Erin-Anne Lemieux 2021-12-07
10610397 Brace having an inflation control Benjamin Batterson, Manikandan Sasidharan, Carl T. Whitaker 2020-04-07
10555828 Brace having an inflation control Carl T. Whitaker, Benjamin Batterson, Manikandan Sasidharan 2020-02-11
10391210 Ergonomic tubing attachment for medical apparatus Prakash Manandhar, Daniel J. Cotter, Peter L. Gould, Todd Metivier 2019-08-27
10143580 Inflation control valve Benjamin Batterson, Manikandan Sasidharan 2018-12-04
D820441 Surgical handpiece nosecone Daniel J. Cotter, Prakash Manandhar, John Bertorelli, Saurav V. Gupta, Erin-Anne Lemieux 2018-06-12
D819195 Tubing cartridge for an ultrasonic surgical aspirator Eric Larsen, Matt Shinopulos, Christopher Labak 2018-05-29
D796667 Tubing clip Prakash Manandhar, Daniel J. Cotter, Peter L. Gould, Todd Metivier 2017-09-05
9375340 Brace having an inflation control Benjamin Batterson, Manikandan Sasidharan, Carl T. Whitaker 2016-06-28
D432221 Humidifier Paul Alan Cox, Thomas S. Chan, Kenneth David Harris, Jr., W. Corey Ayer 2000-10-17
D418911 Portable electric heater Walter Birdsell, John Lapetina, Kenneth David Harris, Jr., James Pettingill 2000-01-11

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