Inventor
Andrew W. Urquhart
Inventor
Newark, DE, US
Overview
Patents· 43 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C04Bprimary
C04BLime, magnesia37%
Y10TTechnical subjects covered by former us classification16%
C22CAlloys12%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
B22FWorking metallic powder8%
C23CCoating metallic material5%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%
H10NElectric solid-state devices not otherwise provided for3%
C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys2%
B28BShaping clay or other ceramic compositions1%
PatentTitleYear
5,856,025'Metal matrix composites'19995,848,349'Method of modifying the properties of a metal matrix composite body'19985,654,246'Methods of making composite ceramic articles having embedded filler'19975,523,270'Complex perovskite oxidation reaction products'19965,518,061'Method of modifying the properties of a metal matrix composite body'19965,494,868'Inverse shape replication method of making ceramic composite articles'19965,421,087'Method of armoring a vehicle with an anti-ballistic material'19955,420,085'Methods of making composite aluminum nitride ceramic articles having embedded filler'19955,395,701'Metal matrix composites'19955,334,562'Composite ceramic articles'19945,301,738'Method of modifying the properties of a metal matrix composite body'19945,275,987'Inverse shape replication method of making ceramic composite articles and articles obtained thereby'19945,266,415'Ceramic articles with a modified metal-containing component and methods of making same'19935,266,537'Method for producing self-supporting ceramic bodies with graded properties'19935,246,895'Method of making ceramic composites'19935,238,886'Surface bonding of ceramic bodies'19935,187,130'Composite ceramic articles'19935,168,081'Ceramic composite articles obtained by inverse shape replication'19925,164,347'Method for producing self-supporting ceramic bodies with graded properties'19925,122,488'Ceramic articles with a modified metal-containing component and methods of making same'19925,106,698'Ceramic articles with a modified metal-containing component'19925,106,789'Method of making ceramic composites'19925,104,835'Surface bonding of ceramic bodies'19925,102,864'Methods for forming complex oxidation reaction products including superconducting articles'19925,051,383'Method for producing self-supporting ceramic bodies with graded properties'19915,051,382'Inverse shape replication method of making ceramic composite articles and articles obtained thereby'19915,000,245'Inverse shape replication method for forming metal matrix composite bodies and products produced therefrom'19915,000,248'Method of modifying the properties of a metal matrix composite body'19914,960,736'Surface bonding of ceramic bodies'19904,956,338'Methods for forming complex oxidation reaction products including superconducting articles'19904,921,818'Method of making ceramic composites'19904,916,113'Methods of making composite ceramic articles'19904,882,306'Method for producing self-supporting ceramic bodies with graded properties'19894,868,143'Methods of making ceramic articles with a modified metal-containing component'19894,851,375'Methods of making composite ceramic articles having embedded filler'19894,847,220'Method of making ceramic composites'19894,828,008'Metal matrix composites'19894,828,785'Inverse shape replication method of making ceramic composite articles'19894,824,008'Surface bonding of ceramic bodies'19894,818,454'Method of making ceramic composite articles by inverse shape replication of an expendable pattern'19894,360,389'Zirconium alloy heat treatment process'19824,268,586'Corrosion resistant zirconium alloy structural components and process'19814,238,251'Zirconium alloy heat treatment process and product'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–1982Patents assigned to GEN ELECTRIC (3)· patent assignee history
1980–1982Based in Scotia, NY, US· patent location history
1989–1999Patents assigned to LANXIDE TECHNOLOGY CO LTD (40)· patent assignee history
1989–1999Based in Newark, DE, US· patent location history
1990–1993Based in New Castle, DE, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LANXIDE TECHNOLOGY CO LTD | 40 | 1989–1999 |
| GEN ELECTRIC | 3 | 1980–1982 |
Locations
| Location | Patents | Span |
|---|---|---|
| Newark, Delaware, US | 37 | 1989–1999 |
| New Castle, Delaware, US | 3 | 1990–1993 |
| Scotia, New York, US | 3 | 1980–1982 |