Here are some patterns I've posted here a while ago , hope you find them helpfull.
3-strings sweeping arpeggios :
==============================
Emin
e-------15-19-P-15----------
b----17-------------17------
g-16----------------------%-
D---------------------------
A---------------------------
E---------------------------
Emaj
e-------16-19-P-16----------
b----17-------------17------
g-16----------------------%-
D---------------------------
A---------------------------
E---------------------------
Emin
e-------17-22-P-17----------
b----18-------------18------
g-19----------------------%-
D---------------------------
A---------------------------
E---------------------------
Emin
e-------12-15-P-12----------
b----12-------------12------
g-12----------------------%-
D---------------------------
A---------------------------
E---------------------------
Emaj
e-------12-16-P-12----------
b----12-------------12------
g-13----------------------%-
D---------------------------
A---------------------------
E---------------------------
Emaj
e------7-12-P-7----------
b---9-------------9------
g-9--------------------%-
D------------------------
A------------------------
E------------------------
Edim
e-----6-9-P-6-------
b---8---------8-----
g-9---------------%-
D-------------------
A-------------------
E-------------------
5/6-strings sweeping arpeggios :
==============================
Emin
e---------------------12-15-p-12----------------------
b------------------12------------12-------------------
g---------------12------------------12----------------
D------------14------------------------14-------------
A---------14-------------------------------14----------
E-12-h-15--------------------------------------15-p-12-
Emaj
e-------------------12-16-p-12-------------------
b----------------12------------12----------------
g-------------13------------------13-------------
D----------14------------------------14----------
A----11-14------------------------------14-11----
E-12------------------------------------------12-
Emin
e--------------7-12-p-7----------
b------------8----------8--------
g----------9--------------9------
D--------9------------------9----
A-7-h-10----------------------10-
E--------------------------------
Emaj
e--------------7-12-p-7----------
b------------9----------9--------
g----------9--------------9------
D--------9------------------9----
A-7-h-11----------------------11-
E--------------------------------
Emin
e-------------15-19-p-15-------------
b----------17------------17----------
g-------16------------------16-------
D----17------------------------17----
A-19------------------------------19-
E------------------------------------
Emaj
e-------------16-19-p-15-------------
b----------17------------17----------
g-------16------------------16-------
D----18------------------------18----
A-19------------------------------19-
E------------------------------------
To make 4-string sweeps you can think of them as pieces of a bigger 5/6-strings sweeps ... Usualy they're less used than the others.