Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Christopher D. Derham — 7 Patents

Caterpillar: 7 patents #922 of 8,398Top 15%
Chillicothe, IL: #43 of 214 inventorsTop 25%
Illinois: #13,121 of 84,256 inventorsTop 20%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Christopher D. Derham has been granted 7 US patents while listed as an inventor at Caterpillar. The first was granted in 2008 and the most recent in June 2025. Christopher D. Derham ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Christopher D. Derham in Chillicothe, IL, US.

Patents per Year

Patents granted per year, 2008 to 2025Bar chart with a peak of 2 patents in 2008.peak 22008: 2 patents20082009: 1 patents20092012: 1 patents20122023: 1 patents20232024: 1 patents20242025: 1 patents2025

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
D1078459 Bracket John M. Tanner, Craig P. Hittle, Bradley R. Sparks 2025-06-10
12113228 Transportable structure for securing energy storage device racks John M. Tanner, Craig P. Hittle, Bradley R. Sparks 2024-10-08 $132,619,000
11787387 Thermal management system for an energy storage container Umakanth Sakaray, John M. Tanner, Marvin Baer, Nirag Sheth, Jeremiah Raveling 2023-10-17 $61,067,000
8182024 Structure and a system for connecting a machine cab to a supporting frame Aaron R. Hayes, Lance Cowper, Ralph J. Lee 2012-05-22 $40,518,000
D605207 Cab for an earth working machine Ashley D. Menges, Brad R. Vandeveer, Aaron R. Hayes 2009-12-01
D579028 Cab for an earth working machine Brad R. Vandeveer, Aaron R. Hayes, Ashley D. Menges 2008-10-21
7347488 Vehicle cab including centrally-located “A post” Aaron R. Hayes, Daniel J. Whiting, Brad Robert Van De Veer 2008-03-25 $54,828,000