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USPTO Patent Rankings Data through Dec 31, 2025
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H. Alfred Eberhardt — 38 Patents

HPHale Fire Pump: 28 patents #1 of 21Top 5%
DCDiesel Kiki Co.: 1 patents #181 of 366Top 50%
HPHale Products: 1 patents #11 of 19Top 60%
Paoli, PA: #3 of 117 inventorsTop 3%
Pennsylvania: #1,214 of 74,527 inventorsTop 2%
Overall (All Time): #84,675 of 4,157,543Top 3%
38 Patents All Time
H. Alfred Eberhardt has been granted 38 US patents while listed as an inventor at Hale Fire Pump. The first was granted in 1980 and the most recent in April 2000. H. Alfred Eberhardt ranks #84,675 of 4,157,543 US inventors in our database (top 2.0%). Patent records list H. Alfred Eberhardt in Paoli, PA, US.

Issued Patents All Time

Showing 1–25 of 38 patents

Patent #TitleCo-InventorsDate
6047695 Fireplace heat exchanger 2000-04-11
5979437 Air control apparatus for a fireplace 1999-11-09
RE36196 Air supply system for firefighting apparatus 1999-04-27
5727540 Fireplace heat exchanger 1998-03-17
5572986 Fireplace heat exchanger 1996-11-12
5215499 Positive pressure safety system 1993-06-01
5145014 Air supply system for firefighting apparatus 1992-09-08
5128033 Oil separator 1992-07-07
5085770 Oil separator 1992-02-04
5063670 Portable cutter tool Daniel J. Carlsen 1991-11-12
4979693 Portable hose reel Richard E. Teske, David L. Miller 1990-12-25
4976319 Water driven fan for firefighting Richard E. Teske 1990-12-11
4907654 Water driven fan system for firefighting 1990-03-13
D303533 Housing for a portable pump David L. Miller, Michael A. Laskaris 1989-09-19
4831886 Flow indicator 1989-05-23
4786239 Pumping system selectably operable as a fire pump or a hydraulic pump 1988-11-22
4762281 Drive arrangements for comminutor-pump assembly 1988-08-09
4734019 Pumping system 1988-03-29
4720050 Comminutor-pump assembly 1988-01-19
4715327 Flow system for engine-pump assembly 1987-12-29
4712516 Fuel supply for a rotary piston engine 1987-12-15
4691667 Gasoline engine EMI suppression system Kalman Broitman, Richard A. Evangelista, Richard E. Teske, Michael Sulmone 1987-09-08
4690613 Portable engine-pump assembly 1987-09-01
4676065 Portable engine-pump assembly 1987-06-30
4653978 Relief valve system Kenneth F. Hoffman 1987-03-31