HH

Hans W. Hafner

PG Pfister Gmbh: 47 patents #1 of 15Top 7%
PG Pfister Messtechnik Gmbh: 5 patents #1 of 2Top 50%
PV Precision Valve: 2 patents #18 of 36Top 50%
📍 Meitingen, NY: #1 of 1 inventorsTop 100%
Overall (All Time): #44,824 of 4,157,543Top 2%
56
Patents All Time

Issued Patents All Time

Showing 26–50 of 56 patents

Patent #TitleCo-InventorsDate
5060525 Resilient connecting device, in particular with incorporated force-measuring device and process for manufacturing it 1991-10-29
4984468 Pressure sensor and method for manufacturing it 1991-01-15
4965729 Method and apparatus for improving the operational characteristics of a vehicle 1990-10-23
4913457 Method and apparatus for optimizing the driving characteristics of a vehicle Reinhard Drews 1990-04-03
4864874 Force measuring device 1989-09-12
4848478 Method and apparatus for calibrating and/or checking of load cells 1989-07-18
4843873 Method and apparatus for determining moments acting upon an object under measurement Schneider Harald, Helmut Mayer 1989-07-04
4832140 Platform weighing apparatus and method for producing thereof 1989-05-23
4830399 Elastic connection between at least two rigid parts 1989-05-16
4827240 Force measuring device 1989-05-02
4770050 Force or pressure measuring device Gunther Bock 1988-09-13
4754653 Force measuring device Gunter Bock 1988-07-05
4750577 Weighing apparatus 1988-06-14
4739666 Flat-spread force measuring device Gunther Bock 1988-04-26
4711127 Method and apparatus for measuring the pressure of a fluid 1987-12-08
4700566 Device for dividing vector forces into their components 1987-10-20
4682915 Method and apparatus for continuous gravimetric metering and pneumatic feeding of pourable material 1987-07-28
4662217 Method and apparatus for measuring moments acting upon an object under measurement 1987-05-05
4661024 Method and apparatus for continuous gravimetric metering and feeding of pourable material 1987-04-28
4646943 Apparatus for continuous gravimetric metering and feeding of pourable material 1987-03-03
4644805 Force measuring device 1987-02-24
4644802 Force measuring apparatus and method 1987-02-24
4611731 Automatic metering apparatus 1986-09-16
4577519 Gyroscope load cell 1986-03-25
4541285 Method and apparatus for measuring the pressure of a liquid 1985-09-17