Frank Bloom

Follow

Person

Windham, NH, US

People

Patents Grantslast 30 patents

Information Patent Grant
Stacked pole-piece ferrofluid seal apparatus
- Patent number 5,018,751
- Issue date May 28, 1991
- Ferrofluidics Corporation
- Kuldip Raj
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Ferrofluid seal with epoxy pole pieces
- Patent number 4,927,164
- Issue date May 22, 1990
- Ferrofluidics Corporation
- Kuldip Raj
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Tapered ferrofluid seal
- Patent number 4,890,850
- Issue date Jan 2, 1990
- Ferrofluidics Corporation
- Kuldip Raj
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Long-life multi-stage ferrofluid seals incorporating a ferrofluid r...
- Patent number 4,865,334
- Issue date Sep 12, 1989
- Ferrofluidics Corporation
- Kuldip Raj
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Ferrofluid seal for a stationary shaft and a rotating hub
- Patent number 4,694,213
- Issue date Sep 15, 1987
- Ferrofluidics Corporation
- Hanumaiah L. Gowda
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...