Family

Loading Family data...

• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
WOODHEAD INDUSTRIES INC	THREE PARKWAY NORTH SUITE 550 DEERFIELD IL 60015-2537

International Classification(s)

• F21V:FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES....

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Baggio, Horacio A	Niles, IL	8	169
# of filed Patents : 8 Total Citations : 169
Graber, Warren S	Hoffman Estates, IL	21	397
# of filed Patents : 21 Total Citations : 397

Cited Art Landscape

Load Citation

• No Cited Art to Display

Loading Cited Art Landscape...

Patent Citation Ranking

• 16 Citation Count
• F21V Class

• 52.58 % this patent is cited more than
• 25 Age

Forward Cite Landscape

Load Citation

• No Forward Cites to Display

Loading Forward Cite Landscape...

Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge after expiration - Late payment is unavoidable	$700.00	$350.00	$175.00
Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

Full Text

US Patent No: 7057137

Orbital welding internal pressure control

---

Abstract

---

The present invention is generally comprised of a tube adaptor, a chamber, a chamber pressure sensor, a calibration pressure sensor, an iris valve, an iris valve drive means, and a control and data processing means. In a calibration mode, the calibration pressure sensor measures the purge pressure at the abutment of two flow elements, while concurrently measuring the corresponding pressure at the chamber pressure sensor. In the welding mode, the calibration pressure sensor is removed, and the corresponding pressure within the chamber is maintained throughout the welding process to affect the geometry of the molten weld bead.

---

 

---

Description

---

Claims

---

Claims data not available

---

Legal Events

• No Legal Status data available.