Kielb; John A
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kielb; John A.The latest application filed is for "rf adapter for field device with loop current bypass".
- Kielb; John A - Eden Prairie MN
- Kielb; John A. - Eden Prairie MN US
| Patent | Date |
|---|---|
| Intrinsic safety isolation with capacitive coupling Grant 9,990,837 - Stone , et al. June 5, 2 | 2018-06-05 |
| RF adapter for field device with variable voltage drop Grant 8,847,571 - Kielb September 30, 2 | 2014-09-30 |
| RF adapter for field device with low voltage intrinsic safety clamping Grant 8,787,848 - Kielb , et al. July 22, 2 | 2014-07-22 |
| RF adapter for field device Grant 8,160,535 - Kielb , et al. April 17, 2 | 2012-04-17 |
| RF adapter for field device with loop current bypass Grant 8,049,361 - Kielb , et al. November 1, 2 | 2011-11-01 |
| Rf Adapter For Field Device With Loop Current Bypass App 20090311971 - Kielb; John A. ; et al. | 2009-12-17 |
| Rf Adapter For Field Device With Variable Voltage Drop App 20090309558 - Kielb; John A. | 2009-12-17 |
| Rf Adapter For Field Device With Low Voltage Intrinsic Safety Clamping App 20090253388 - Kielb; John A. ; et al. | 2009-10-08 |
| Rf Adapter For Field Device App 20080280568 - Kielb; John A. ; et al. | 2008-11-13 |
| Stabilization in a radar level gauge Grant RE40,128 - Kielb March 4, 2 | 2008-03-04 |
| Stabilization in a radar level gauge Grant 6,300,897 - Kielb October 9, 2 | 2001-10-09 |
| Start up circuit for DC powered field instrument Grant 5,973,942 - Nelson , et al. October 26, 1 | 1999-10-26 |
| Microwave level gauge with remote transducer Grant 5,847,567 - Kielb , et al. December 8, 1 | 1998-12-08 |
| Barrier device Grant 5,710,552 - McCoy , et al. January 20, 1 | 1998-01-20 |
| Two-wire level transmitter Grant 5,672,975 - Kielb , et al. September 30, 1 | 1997-09-30 |
| Digital converter apparatus for improving the output of a two-wire transmitter Grant 5,187,474 - Kielb , et al. February 16, 1 | 1993-02-16 |
| Cold junction compensation for thermocouple Grant 4,623,266 - Kielb November 18, 1 | 1986-11-18 |
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