Family

Loading Family data...

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

Patent Owner(s)

Patent Owner	Address
DOSATRON INTERNATIONAL	RUE PASCAL 33370 TRESSES 33370

International Classification(s)

• 1502:PUMPS AND COMPRESSORS

• 2014 Application Filing Year
• 1502 Class
• 112 Applications Filed
• 112 Patents Issued To-Date
• 100 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Charriere, Christophe	Camblanes et Meynac, FR	14	124
# of filed Patents : 14 Total Citations : 124

Cited Art Landscape

Load Citation

• No Cited Art to Display

Loading Cited Art Landscape...

Patent Citation Ranking

• 16 Citation Count
• 1502 Class

• 0 % this patent is cited more than
• 10 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
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Nov 19, 2026

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 11.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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: 6926083

Cement heating tool for oil and gas well completion

---

Abstract

---

Apparatus and method for setting cement in the annulus of an oil or gas well during well completion or other similar well operations. An induction heating tool is lowered to a desired position within the well casing and power is supplied to the tool to heat the casing and the cement which has been injected in the annulus adjacent the heated well casing and the wellbore.

---

 

---

Description

---

Claims

---

Claims data not available

---

Legal Events

 

• MAFP2024
• MAFP2020
• I2017
• STCF2017
• P2016
• F2015
• AS2015
• PD2014

Date	Code	Event	Description
Sep 13, 2024	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 8TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1552); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 8
May 05, 2020	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4
May 02, 2017	I	Issuance
Apr 12, 2017	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Sep 29, 2016	P	Published
Mar 23, 2015	F	Filing
Mar 23, 2015	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:SHIH, PO-YUAN;CHEN, PO-YU;REEL/FRAME:039963/0026 Owner name: SINTAI OPTICAL (SHENZHEN) CO., LTD., CHINA Effective Date: Mar 23, 2015 free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:SHIH, PO-YUAN;CHEN, PO-YU;REEL/FRAME:039963/0026 Owner name: ASIA OPTICAL CO., INC., TAIWAN Effective Date: Mar 23, 2015
Mar 24, 2014	PD	Priority Date