Inventor
William D. Homberg
Inventor
Oakland, CA, US
Overview
Patents· 21 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Lprimary
B01LChemical or physical laboratory apparatus for general use56%
Y10TTechnical subjects covered by former us classification25%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers8%
F04BPositive-displacement machines for liquids3%
F16JPistons3%
G01NInvestigating or analysing materials by determining their chemical or physical properties3%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management3%
PatentTitleYear
10,471,422Home position locating mechanism for manual pipette and manual pipette equipped with same20198,871,157'Electronic pipette with two-axis controller'20148,397,593'Quick-set pipette with damped plunger'20137,819,030'Hybrid manual-electronic pipette'20107,788,986'Hybrid manual-electronic pipette'20107,770,475'Hybrid manual-electronic pipette'20107,726,212'Hybrid manual-electronic pipette'20106,645,433'Ergonomic return springless manual air displacement pipette'20036,428,750'Volume adjustable manual pipette with quick set volume adjustment'20026,365,110'Blowout springless manual air displacement pipette with mechanical assist for aiding in locating and maintaining pipette plunger at a home position'20026,352,673'Ergonomic return springless manual air displacement pipette'20026,254,832'Battery powered microprocessor controlled hand portable electronic pipette'20016,007,779'Refill pack for pipette tip racks'19995,849,248'Adjustable volume pipette with improved volume adjustment lock mechanism'19985,792,424'Manual pipette with delayed-action home position latch'19985,700,959'Manual pipette with magnet assist'19975,614,153'Pipette tip ejector'19975,441,702'Refill pack for pipette tip racks'19955,392,914'Refill pack for pipette tip racks'19955,364,596'Manual pipette with plunger velocity governor, home position latch and trigger release'19944,790,236'Floating piston coupling for plunger type pumps'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–2014Based in Oakland, CA, US· patent location history
1994–2001Patents assigned to RAININ INSTR CO INC (9)· patent assignee history
2002–2014Patents assigned to RAININ INSTR LLC (8)· patent assignee history
2002Patents assigned to RAININ INSTR (2)· patent assignee history
2002Based in San Francisco, CA, US· patent location history
2013–2014Patents assigned to HOMBERG WILLIAM D (2)· patent assignee history
2013–2014Patents assigned to SCHMITTDIEL MICHAEL C (2)· patent assignee history
2019Based in Moab, UT, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RAININ INSTR CO INC | 9 | 1994–2001 |
| RAININ INSTR LLC | 8 | 2002–2014 |
| HOMBERG WILLIAM Dself | 2 | 2013–2014 |
| RAININ INSTR | 2 | 2002 |
| SCHMITTDIEL MICHAEL C | 2 | 2013–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Oakland, California, US | 19 | 1988–2014 |
| Moab, UT, US | 1 | 2019 |
| San Francisco, California, US | 1 | 2002 |