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Paul Hammelmann — 14 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Oelde, DE: #5 of 197 inventorsTop 3%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
Paul Hammelmann has been granted 14 US patents while listed as an inventor at Unknown. The first was granted in 1981 and the most recent in April 1995. Paul Hammelmann ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Paul Hammelmann in Oelde, DE.

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
5402936 Nozzle head for rotating spray device 1995-04-04
5362216 Coaxial valve arrangement for high pressure positive displacement pumps 1994-11-08
5060863 Nozzle head 1991-10-29
5028004 Nozzle head 1991-07-02
4923120 Nozzle device 1990-05-08
4840548 High pressure plunger pump 1989-06-20
4784330 High pressure spraying gun 1988-11-15
4741680 High-pressure plunger pump with coaxial pressure and suction valves Erich Broker 1988-05-03
4737084 High-pressure plunger pump 1988-04-12
4409920 Apparatus for treating ship hulls 1983-10-18
4401415 Hydraulic pressure transformer 1983-08-30
4285469 Apparatus for cleaning surfaces having an upright orientation 1981-08-25
4274590 Apparatus for treating upright surfaces 1981-06-23
4264281 Pump with an automatically adjusted output rate 1981-04-28