JH

John Vander Horst

UN Unknown: 4 patents #4,220 of 83,584Top 6%
📍 Denver, CO: #426 of 4,554 inventorsTop 10%
🗺 Colorado: #5,162 of 40,980 inventorsTop 15%
Overall (All Time): #534,089 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
12259266 Multi-tank indirect liquid level measurement system and method for holding tanks in a recreational vehicle 2025-03-25
9797761 Recreational vehicle wastewater tank measurement system and method 2017-10-24
9534945 Rotary valve multi-tank indirect liquid level measurement system and method for wastewater tanks in a recreational vehicle 2017-01-03
8410948 Recreational vehicle holding tank sensor probe 2013-04-02
7389688 Indirect liquid level measurement 2008-06-24
7150538 Detachable extension mirror 2006-12-19
D528952 Attachable mirror for transport applications 2006-09-26
4370101 Constant delivery inertia pump 1983-01-25
4278396 Hub seals for thrust-assisted centrifugal pump 1981-07-14