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Class Information
Number: 15/104.19
Name: Brushing, scrubbing, and general cleaning > Implements > Pipe, tube, or conduit cleaner > Inside > Reciprocating tool > Scraper, cutter, wiper or brush > Expanding between ends
Description: The variation of size takes place intermediate the ends of the tool body.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6775872 |
Surface-traversing vehicle |
Aug. 17, 2004 |
| 6538431 |
Pipeline pigs |
Mar. 25, 2003 |
| 6286172 |
Portable inflatable duct cleaning apparatus |
Sep. 11, 2001 |
| 6276018 |
Flexible pipe cleaning device and system |
Aug. 21, 2001 |
| 6173469 |
Urethane spring for use in a pipeline pig |
Jan. 16, 2001 |
| 5987683 |
Flexible pipe cleaning device and system |
Nov. 23, 1999 |
| 5966768 |
Adjustable tube-cleaner device |
Oct. 19, 1999 |
| 5797993 |
Expandable pipeline pig assembly |
Aug. 25, 1998 |
| 4757573 |
Chimney flue scraping apparatus |
Jul. 19, 1988 |
| 4676301 |
Method of cleaning an inner surface of a heat transfer tube in a heat-exchanger |
Jun. 30, 1987 |
| 4562886 |
Tube cleaner |
Jan. 7, 1986 |
| 4292704 |
Sewer cleaning blade stabilizer |
Oct. 6, 1981 |
| 4291477 |
Gun barrel cleaning device |
Sep. 29, 1981 |
| 4244072 |
Metal tube cleaning apparatus |
Jan. 13, 1981 |
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