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USPTO Patent Rankings Data through Dec 31, 2025
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Dennis P. Eichenlaub — 4 Patents

MUMurray: 3 patents #11 of 58Top 20%
Kingstown, MD: #1 of 1 inventorsTop 100%
Maryland: #8,090 of 35,612 inventorsTop 25%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Dennis P. Eichenlaub has been granted 4 US patents while listed as an inventor at Murray. The first was granted in 1990 and the most recent in August 1993. Dennis P. Eichenlaub ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Dennis P. Eichenlaub in Kingstown, MD, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5237873 Method of determining type of refrigerant 1993-08-24
4982576 Air conditioner charging station with same refrigerant return and method Robert H. Proctor 1991-01-08
4967567 System and method for diagnosing the operation of air conditioner systems Robert H. Proctor 1990-11-06
4909042 Air conditioner charging station with same refrigerant reclaiming and liquid refrigerant return and method Robert H. Proctor 1990-03-20