Inventor
Joseph R. Hoepfl
Inventor
Greenfield, WI, US
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B25Bprimary
B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding21%
B25GHandles for hand implements13%
B29CShaping or joining of plastics13%
B29LIndexing scheme associated with subclass b29c, relating to particular articles13%
F16HGearing13%
LOC0813%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
F16DCouplings for transmitting rotation4%
Y10TTechnical subjects covered by former us classification4%
PatentTitleYear
6,370,988'Ratcheting screwdriver with reversing cap having projecting pin'20026,368,536'Method of forming tool with dual-material handle'20026,228,306'Method for making tool with dual-material handle'2001D0421888'Ratcheting screwdriver handle'20005,964,009'Tool with dual-material handle'1999D0414095'Handle'1999D0379750'Screwdriver handle'19975,570,616'Ratcheting screwdriver with reversing cap having projecting pin'19965,437,212'Ratcheting screwdriver'1995D0356481'Hammer handle'1995D0350470'Combined handle and head for a hammer'1994D0350269'Hammer'19944,041,972'Hydraulic stack valve assembly'19774,024,937'Mechanical transmission brake'19774,008,629'Sun gear retainer in planetary gearset'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977Patents assigned to ALLIS CHALMERS (3)· patent assignee history
1977–2002Based in Greenfield, WI, US· patent location history
1994–1995Patents assigned to SNAP ON TOOLS CORP (4)· patent assignee history
1996–2002Patents assigned to SNAP ON TECH INC (7)· patent assignee history
2000Patents assigned to SNAP ON TOOLS CO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SNAP ON TECH INC | 7 | 1996–2002 |
| SNAP ON TOOLS CORP | 4 | 1994–1995 |
| ALLIS CHALMERS | 3 | 1977 |
| SNAP ON TOOLS CO | 1 | 2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Greenfield, WI, US | 15 | 1977–2002 |