Inventor
William C. Martin
Inventor
Carrollton, TX, US
Overview
Patents· 26 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Fprimary
G06FElectric digital data processing12%
H04LTransmission of digital information, e.g. telegraphic communication10%
G01RMeasuring electric variables5%
Y10TTechnical subjects covered by former us classification5%
B28BShaping clay or other ceramic compositions3%
B29CShaping or joining of plastics3%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%
B63HMarine propulsion or steering3%
C04BLime, magnesia3%
E04CStructural elements3%
PatentTitleYear
10,332,697Encapsulation of components and a low energy circuit for hazardous locations20199,559,517'Encapsulation of components and a low energy circuit for hazardous locations'20179,523,198'Gypsum wallboard and method of making same'20168,016,961'Gypsum wallboard and method of making same'20117,503,819'Closed cooling system for a marine engine'20097,390,232'Exhaust system for a marine engine'20087,137,378'Component mounting system for a marine engine'20066,317,069'Digital-to-analog converter employing binary-weighted transistor array'20016,118,682'Method and apparatus for reading multiple matched addresses'20006,107,814'Methods and circuits for testing open collectors and open drains'20005,904,017'Photoluminescent emergency egress accessory'19995,471,153'Methods and circuits for testing open collectors and open drains'19955,412,313'Method to reduce test vectors/test time in devices using equivalent blocks'19955,265,164'Cryptographic facility environment backup/restore and replication in a public key cryptosystem'19935,200,999'Public key cryptosystem key management based on control vectors'19935,192,881'Circuit which reduces noise caused by high current outputs'19935,164,988'Method to establish and enforce a network cryptographic security policy in a public key cryptosystem'19925,149,987'Provision of circuit reset without a dedicated I/O pin'19925,142,578'Hybrid public key algorithm/data encryption algorithm key distribution method based on control vectors'19925,088,061'Routing independent circuit components'19925,073,934'Method and apparatus for controlling the use of a public key, based on the level of import integrity for the key'19915,007,089'Secure key management using programable control vector checking'19914,876,735'Method and apparatus for character recognition systems'19894,644,443'Computer cooling system using recycled coolant'19874,604,890'Compression tool'19864,337,635'Compression tool'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–1986Based in Fairview, PA, US· patent location history
1989–1993Patents assigned to IBM (7)· patent assignee history
1991–1993Based in Concord, NC, US· patent location history
1992–2000Patents assigned to VLSI TECHNOLOGY INC (5)· patent assignee history
1992–2000Based in Carrollton, TX, US· patent location history
2006–2009Patents assigned to BRUNSWICK CORP (3)· patent assignee history
2008–2009Based in Stillwater, OK, US· patent location history
2011–2016Patents assigned to NAT GYPSUM PROPERTIES LLC (2)· patent assignee history
2017–2019Patents assigned to HOFFMAN ENCLOSURES INC (2)· patent assignee history
2017–2019Based in Coon Rapids, MN, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| IBM | 7 | 1989–1993 |
| VLSI TECHNOLOGY INC | 5 | 1992–2000 |
| BRUNSWICK CORP | 3 | 2006–2009 |
| HOFFMAN ENCLOSURES INC | 2 | 2017–2019 |
| NAT GYPSUM PROPERTIES LLC | 2 | 2011–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Carrollton, Texas, US | 6 | 1992–2000 |
| Concord, NC, US | 6 | 1991–1993 |
| Coon Rapids, Minnesota, US | 2 | 2017–2019 |
| Stillwater, OK, US | 2 | 2008–2009 |
| Fairview, Pennsylvania, US | 2 | 1982–1986 |