Inventor
William P. Wood
Inventor
Golden Valley, MN, US
Overview
Patents· 40 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C04Bprimary
C04BLime, magnesia23%
C09KMaterials for miscellaneous applications, not provided for elsewhere23%
C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals9%
G11BInformation storage based on relative movement between record carrier and transducer8%
B24DTools for grinding, buffing or sharpening8%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds6%
Y10TTechnical subjects covered by former us classification5%
G01RMeasuring electric variables3%
B01DSeparation2%
B22FWorking metallic powder2%
PatentTitleYear
6,881,483'Ceramic aggregate particles'20056,790,126'Agglomerate abrasive grain and a method of making the same'20046,667,614'Transfer curve tester for testing magnetic recording heads'20036,611,167'Balanced bi-directional current source'20036,206,942'Method for making abrasive grain using impregnation, and abrasive articles'20016,053,956'Method for making abrasive grain using impregnation and abrasive articles'20005,991,698'Electrical lap guide data acquisition unit and measurement scheme'19995,908,478'Method for making abrasive grain using impregnation, and abrasive articles'19995,905,610'Combined read/write magnetic head having MRE positioned between broken flux guide and non-magnetic substrate'19995,893,935'Method for making abrasive grain using impregnation, and abrasive articles'19995,871,555'Abrasive grain comprising manganese oxide'19995,779,743'Method for making abrasive grain and abrasive articles'19985,776,214'Method for making abrasive grain and abrasive articles'19985,752,996'Method of making ceramic abrasive grits'19985,690,707'Abrasive grain comprising manganese oxide'19975,660,604'Method of making ceramic abrasive grits'19975,646,804'Thin film magnetic head having polymer on broken flux guide sections, method of producing and integrated structure incorporating same'19975,567,150'Method for making sintered abrasive grain'19965,554,265'Method of making a magnetoresistive sensor'19965,551,964'Abrasive grits formed of ceramic, impregnation method of making the same and products made therewith'19965,547,479'Alpha abrasive alumina-based grain having an as sintered outer surface'19965,516,348'Alpha alumina-based abrasive grain'19965,514,953'Wafer level test structure for detecting multiple domains and magnetic instability in a permanent magnet stabilized MR head'19965,495,378'Magnetoresistive sensor with improved performance and processability'19965,489,318'Abrasive grain comprising calcium oxide and/or strontium oxide'19965,489,204'Apparatus for sintering abrasive grain'19965,431,705'Grinding wheel'19955,312,789'Abrasive grits formed of ceramic, impregnation method of making the same and products made therewith'19945,282,875'High density sol-gel alumina-based abrasive vitreous bonded grinding wheel'19945,247,414'Integrated thin film magnetic head with planar structure'19935,164,348'Abrasive grits formed by ceramic impregnation method of making the same, and products made therewith'19924,957,886'Aluminum oxide/aluminum oxynitride/group IVB metal nitride abrasive particles derived from a sol-gel process'19904,881,951'Abrasive grits formed of ceramic containing oxides of aluminum and rare earth metal, method of making and products made therewith'19894,855,264'Aluminum oxide/aluminum oxynitride/group IVB metal nitride abrasive particles derived from a sol-gel process'19894,788,167'Aluminum nitride/aluminum oxynitride/group IVB metal nitride abrasive particles derived from a sol-gel process'19884,770,671'Abrasive grits formed of ceramic containing oxides of aluminum and yttrium, method of making and using the same and products made therewith'19884,762,525'Prepackaged firebox apparatus for outdoor cooking or the like'19884,191,982'Magnetic transducing head with a turn in the gap'19803,961,907'Catalytic converter'19763,959,865'Method of containing a resiliently supported rigid ceramic catalyst support'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–2001Patents assigned to MINNESOTA MINING & MFG (26)· patent assignee history
1976Based in Stillwater, MN, US· patent location history
1988–1992Based in Minneapolis, MN, US· patent location history
1993–1999Patents assigned to PHILIPS CORP (2)· patent assignee history
1993–1999Based in Edina, MN, US· patent location history
1994–2004Based in Golden Valley, MN, US· patent location history
1996–1999Patents assigned to SEAGATE TECHNOLOGY (4)· patent assignee history
2000–2005Patents assigned to 3M INNOVATIVE PROPERTIES CO (3)· patent assignee history
2003Patents assigned to SEAGATE TECHNOLOGY LLC (2)· patent assignee history
2003Based in Waconia, MN, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MINNESOTA MINING & MFG | 26 | 1976–2001 |
| SEAGATE TECHNOLOGY | 4 | 1996–1999 |
| 3M INNOVATIVE PROPERTIES CO | 3 | 2000–2005 |
| PHILIPS CORP | 2 | 1993–1999 |
| SEAGATE TECHNOLOGY LLC | 2 | 2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Golden Valley, Minnesota, US | 20 | 1994–2004 |
| Edina, Minnesota, US | 7 | 1993–1999 |
| Minneapolis, Minnesota, US | 5 | 1988–1992 |
| Waconia, Minnesota, US | 2 | 2003 |
| Stillwater, Minnesota, US | 2 | 1976 |