Inventor
Harold F. Hemond
Inventor
Lexington, MA, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Jprimary
H01JElectric discharge tubes or discharge lamps64%
E21BEarth or rock drilling9%
G01NInvestigating or analysing materials by determining their chemical or physical properties9%
G01VGeophysics9%
Y02ATechnologies for adaptation to climate change9%
PatentTitleYear
11,120,983Methods, apparatus, and system for mass spectrometry202110,658,169Methods, apparatus, and system for mass spectrometry202010,236,172Methods, apparatus, and system for mass spectrometry20199,735,000'Methods, apparatus, and system for mass spectrometry'20179,312,117'Methods, apparatus, and system for mass spectrometry'20168,859,990'Highly compact multi-optical-junction optical flowcell and flexibly deployable optical sensing assemblies and systems for in-situ real-time spectroscopic measurements'20148,825,430'Differential pressure systems and methods for measuring hydraulic parameters across surface water-aquifer interfaces'20148,754,371'Methods, apparatus, and system for mass spectrometry'20145,155,357'Portable mass spectrometer'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–2021Patents assigned to MASSACHUSETTS INST TECHNOLOGY (8)· patent assignee history
1992–2021Based in Lexington, MA, US· patent location history
2014Patents assigned to HEMOND HAROLD F (3)· patent assignee history
2014Patents assigned to GARDNER ALAN T (1)· patent assignee history
2014Patents assigned to HAMMAR TERENCE (1)· patent assignee history
2014Patents assigned to HARVEY CHARLES (1)· patent assignee history
2014Based in Cambridge, MA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MASSACHUSETTS INST TECHNOLOGY | 8 | 1992–2021 |
| HEMOND HAROLD Fself | 3 | 2014 |
| GARDNER ALAN T | 1 | 2014 |
| HAMMAR TERENCE | 1 | 2014 |
| HARVEY CHARLES | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Lexington, Massachusetts, US | 8 | 1992–2021 |
| Cambridge, Massachusetts, US | 1 | 2014 |