Inventor
LONG JR CHARLES A
US21 patents
⚠️ This page may combine multiple inventors who share the name “LONG JR CHARLES A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LONG TECHNOLOGIES INC
8 patentsUS4776370AOct 11, 1988
Apparatus for securing a cable to a tubular pipe liner
LONG TECHNOLOGIES INC67 citations96
US4685983AAug 11, 1987
Method and apparatus for the installation of a liner within a conduit
LONG TECHNOLOGIES INC118 citations96
US4668125AMay 26, 1987
Self-contained, transportable apparatus for inserting a liner into a pipe
LONG TECHNOLOGIES INC61 citations96
US5044824ASep 3, 1991
Method and apparatus for locating a service pipe outlet transversely connected to a lined main pipe
LONG TECHNOLOGIES INC56 citations92
US4819721AApr 11, 1989
Remotely controlled articulatable hydraulic cutter apparatus
LONG TECHNOLOGIES INC51 citations92
US4630676ADec 23, 1986
Remotely controlled hydraulic cutter apparatus
LONG TECHNOLOGIES INC57 citations92
US5108533AApr 28, 1992
Method and combination for installing a liner within a service pipe transversely connected to a main pipe
LONG TECHNOLOGIES INC90 citations90
US5150989ASep 29, 1992
Method and apparatus for locating a service pipe outlet transversely connected to a lined main pipe
LONG TECHNOLOGIES INC30 citations89
LONG ENTERPRISES INC
5 patentsUS5147563ASep 15, 1992
Sewage sludge treatment with gas injection
LONG ENTERPRISES INC33 citations87
US4695388ASep 22, 1987
Apparatus and process for rapid sewage sludge separation
LONG ENTERPRISES INC17 citations73
US4659464AApr 21, 1987
Apparatus for dispersing sludge with gas impingement
LONG ENTERPRISES INC16 citations73
US4582612AApr 15, 1986
Sewage sludge treatment apparatus
LONG ENTERPRISES INC14 citations73
US4936983AJun 26, 1990
Sewage sludge treatment with gas injection
LONG ENTERPRISES INC4 citations59