Inventor
Lennart L. Carlson
Inventor
Irvine, CA, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F16Lprimary
F16LPipes21%
B29CShaping or joining of plastics15%
B29LIndexing scheme associated with subclass b29c, relating to particular articles13%
A61MDevices for introducing media into, or onto, the body10%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts10%
F24HFluid heaters, e.g. water or air heaters, having heat-generating means, e.g. heat pumps, in general10%
H05BElectric heating10%
Y10TTechnical subjects covered by former us classification5%
H05FStatic electricity3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
PatentTitleYear
7,965,930'Flexible tubing with imbedded helical conductors and method of making'20116,190,480'Method of making a double-walled flexible tubing product with helical support bead and heating conductor'20015,848,223'Double-walled flexible tubing product with helical support bead and heating conductor and apparatus and method for making'19985,637,168'Apparatus and method for making flexible tubing with helically wound heating conductor'19975,454,061'Apparatus and method for making flexible tubing with helically wound heating conductor'19954,375,381'Two piece extruded hose'19834,337,800'Two piece extruded hose'19823,963,856'Flexible, corrugated, plastic tubing having conductive helical bead'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–2001Patents assigned to STEWARD PLASTICS (7)· patent assignee history
1976Based in Tustin, CA, US· patent location history
1982–1997Based in Irvine, CA, US· patent location history
1998–2001Based in Newport Coast, CA, US· patent location history
2011Patents assigned to CARLSON ERIC (1)· patent assignee history
2011Patents assigned to CARLSON LENNART (1)· patent assignee history
2011Based in Laguna Hills, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| STEWARD PLASTICS | 7 | 1976–2001 |
| CARLSON ERIC | 1 | 2011 |
| CARLSON LENNARTself | 1 | 2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Irvine, California, US | 4 | 1982–1997 |
| Newport Coast, California, US | 2 | 1998–2001 |
| Laguna Hills, California, US | 1 | 2011 |
| Tustin, California, US | 1 | 1976 |