Jacob H. Botma

Person

Drachten, NL

People

Patents Grantslast 30 patents

Information Patent Grant
Device for heating a liquid, and deep-frying vessel with such a device
- Patent number 6,427,580
- Issue date Aug 6, 2002
- Koninklijke Philips Electronics, N.V.
- Jan Hans Benedictus
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Heating vessel and method of controlling the heating element of suc...
- Patent number 6,084,216
- Issue date Jul 4, 2000
- U.S. Philips Corporation
- Sander Slegt
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Electric toaster with asymmetric heating effect
- Patent number 6,051,818
- Issue date Apr 18, 2000
- U.S. Philips Corporation
- Roelf Van Der Wal
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Switching voltage converter with synchronous rectification
- Patent number 6,016,261
- Issue date Jan 18, 2000
- U.S. Philips Corporation
- Johannes De Wit
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Toaster having heating elements whose heating area depends on the s...
- Patent number 5,819,637
- Issue date Oct 13, 1998
- U.S. Philips Corporation
- Jacob H. Botma
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Toaster with mains-power-on safety device
- Patent number 5,758,567
- Issue date Jun 2, 1998
- U.S. Philips Corporation
- Roelf Van Der Wal
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

Information Patent Application
DEVICE FOR HEATING A LIQUID, AND DEEP-FRYING VESSEL WITH SUCH A DEVICE
- Publication number 20020053289
- Publication date May 9, 2002
- Jan Hans Benedictus
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Jacob H. Botma

Person

Patents Grantslast 30 patents

Device for heating a liquid, and deep-frying vessel with such a device

Heating vessel and method of controlling the heating element of suc...

Electric toaster with asymmetric heating effect

Switching voltage converter with synchronous rectification

Toaster having heating elements whose heating area depends on the s...

Toaster with mains-power-on safety device

Patents Applicationslast 30 patents

DEVICE FOR HEATING A LIQUID, AND DEEP-FRYING VESSEL WITH SUCH A DEVICE