HE

H. Alfred Eberhardt

HP Hale Fire Pump: 28 patents #1 of 21Top 5%
DC Diesel Kiki Co.: 1 patents #181 of 366Top 50%
HP Hale Products: 1 patents #11 of 19Top 60%
Overall (All Time): #87,241 of 4,157,543Top 3%
38
Patents All Time

Issued Patents All Time

Showing 25 most recent 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